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Reference Journal Publication Date ID Used In Tools
Aakre KM, Ottesend AH, Strandf H, Faareng AL, Alaourh B, Torsvik J, Sylte MS, Marber M, Christensen G, Helge Røsjø H, Omlande T, 2021, Clin Biochem, aop, aop , Biological variation of secretoneurin; a novel cardiovascular biomarker implicated in arrhythmogenesis
Clin Biochem 2021 0591
Aakre KM, Roraas T et al, 2014, Clin Chem, 60(6), 838-47 , Weekly and 90-Minute Biological Variations in Cardiac Troponin T and Cardiac Troponin I in Hemodialysis Patients and Healthy Controls
Clin Chem 2014 0222
Aakre KM, Røraas T, Petersen PH, Svarstad E, Sæle K, Sandberg S, 2013, Clin Chem, 59:12, 1813–1816 , Week-to-Week Biological Variation in the N-terminal Prohormone of Brain Natriuretic Peptide in Hemodialysis Patients and Healthy Individuals
Clin Chem 2013 0567
Aarsand AK, 2021, Clin Chem, 67(9), 1259-1270 , The European Biological Variation Study (EuBIVAS): Biological Variation Data for Coagulation Markers Estimated by a Bayesian Model
Clin Chem 2021 0533
Aarsand AK, Diaz-Garzón J, Fernández-Calle P, et al, 2018, Clin Chem, 64(9), 1380-93 , The EuBIVAS: within- and between-subject biological variation data for electrolytes, lipids, urea, uric acid, total protein, total bilirubin, direct bilirubin and glucose
Clin Chem 2018 0335
Aarsand AK, Petersen PH, Sandberg S, 2006, Clin Chem, 52:4, 650-6 , Estimation and application of biological variation of urinary delta-aminolevulinic acid and porphobilinogen in healthy individuals and in patients with acute intermittent porphyria
Clin Chem 2006 0195
Agarwal SK, Avery CL, Ballantyne CM et al, 2011, Clin Chem, 57(6), 891-7 , Sources of variability in measurements in cardiac Troponin T measured with high sensitivity assay in a community based sample: the ARIC Study
Clin Chem 2011 0386
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Am J Clin Nutr 1993 0001
Ahokoski O, Virtanen A, Huupponene R, Scheinin H, Salminen E, Kairisto V, Irjala K, 1998, Clin Chem Lab Med, 36, 485-91 , Biological day-to-day variation and daytime changes of testosterone, follitropin, lutropin and oestradiol-17β in healthy men
Clin Chem Lab Med 1998 0170
Ahokoski O, Virtanen A, Kairisto V, Scheinin H, Huupponen R, Irjala K, 1999, Clin Chem, 45(7), 1097-9 , Biological day-to-day variation and reference change limits of serum cortisol and aldosterone in healthy young men on unrestricted diets.
Clin Chem 1999 0311
Alberty R and Albertyova D, 1997, Clin Chem, 43, 2441-3 , Biological variation of free and total carnitine in serum of healthy subjects
Clin Chem 1997 0193
Alexander KS, Kazmierczak SC, Snyder CK, Oberdorf JA and Farrell DH, 2013, Clin Chem Lab Med , 51(9), 1875-82 , Prognostic utility of biochemical markers of cardiovascular risk: impact of biological variability
Clin Chem Lab Med 2013 0232
Almeida DM, Piazza JR and Stawski RS, 2009, Psychology and aging, 24(4), 819-27 , Inter-individual differences and intra-individual variability in the cortisol awakening response: an examination of age and gender
Psychology and aging 2009 0420
Alp HH, Akbay Hİ, Çokluk E, Huyut, Z, Keskin S, Şekeroğlu MR, 2020, Clin Chem Lab Med , 58(11):, 1901–1909 , Within-subject and between-subject biological variation of first morning void urine amino acids in 12 healthy subjects
Clin Chem Lab Med 2020 0561
Alvarez C, Castilla JA, Martínez L, Ramírez JP, Vergara F and Gaforio JJ, 2003, Human Reproduction, 18, 1-7 , Biological variation of seminal parameters in healthy subjects
Human Reproduction 2003 0196
Alvarez L, Ricós C, Peris P, Guañabens N, Monegal A,Pons F and Ballesta AM, 2000, Bone, 26, 571-6 , Components of biological variation of biochemical markers of bone tumor in Paget’s bone disease
Bone 2000 0171
Anandaram PS, De Bolla AR, Hudson PR, Davies GK, Majumdar P, Williams CP, 2006, Urol Res, 34(4), 249–254 , Problems in the metabolic evaluation of renal stone disease: audit of intra-individual variation in urine metabolites
Urol Res 2006 0553
Andersen TB, Erlandsen EJ, FrokiaerJ, Eskild-Jensen A and Brochner-Mortensen J, 2010, Scand J Clin Lab Invest, , , Comparison of within- and between-subject variation of serum cystatin C and serum creatinine in children aged 2-13 years
Scand J Clin Lab Invest 2010 0216
Andersson AM, Carlsen E, Petersen JH and Skakkebaek NE, 2003, J Clin Endocrinol Metab, 88, 932-937 , Variation in levels of serum Inhibin B, testosterone, estradiol, luteinizing hormone, follicle-stimulating hormone and sex hormone binding globulin in monthly samples from healthy men during a 17-month period: possible effects of seasons
J Clin Endocrinol Metab 2003 0241
Ankrah-Tetteh T, Wijeratne S and Swaminathan R, 2008, Ann Clin Biochem, 45, 167-9 , Intraindividual variation in serum thyroid hormones, parathyroid hormone and insulin-like growth factor-1
Ann Clin Biochem 2008 0209
Anna Carobene*, Elisabet Gonzalez Lao, Margarida Simon, Massimo Locatelli, Abdurrahman Coşkun, Jorge Díaz-Garzón, Pilar Fernandez-Calle, Sverre Sandberg and Aasne K. Aarsand, , 2020, Clin Chem Lab Med, 60, 518-522 , Biological variation of serum insulin: updated estimates from the European Biological Variation Study (EuBIVAS) and meta-analysis
Clin Chem Lab Med 2020 0602
Antonsen S, 1994, Scand J Clin Lab Invest, 54, 55-59 , The estimation of biological and preanalytical variations of inflammation markers
Scand J Clin Lab Invest 1994 0002
Apple FS, Murakami MM, Wians FH, Ler R, Kaczmarek JM and Wu AHB, 2011, Clin Chem, 57, C-05 , Short-term biological variation of cardiac troponin I measured with three high-sensitive assays
Clin Chem 2011 0235
Aziz N, Detels R, Quint JJ, Gjertson D, Ryner T, Butch AW, 2019, BMC Immunol, 20(33), , Biological variation of immunological blood biomarkers in healthy individuals and quality goals for biomarker tests
BMC Immunol 2019 0488
Aziz N, Jamieson D, Quint JJ eta al, 2019, Medicine, 98:41, e17525 , Longitudinal Intra- and Inter-individual variation inT-cell subsets of HIV-infected and uninfected men participating in the LA Multi-Center AIDS Cohort Study
Medicine 2019 0495
Badiou S, Boudet A, Leray-Moragues H et al, 2016, Clin Biochem, , , Monthly reference change value of cardiac troponin in hemodialysis patients as a useful tool for long-term cardiovascular management.
Clin Biochem 2016 0382
Bailey D, Bevilacqua V, Colantonio DA, Pasic MD, Perumal N, Chan MK and Adeli K, 2014, Clin Chem, 60, 518-29 , Pediatric within-day biological variation and quality spcifications for 38 biochemical markers in the CALIPER cohort
Clin Chem 2014 0248
Bal C, Erdogan S, Gök G, Nural C, Özbek B, Ercan M, Serdar M, Erel Ö, 2021 April, Turkish Journal of Biochemistry (TJB), Ahead of print, , Biological variation and reference change value data for serum copper, zinc and selenium in Turkish adult population
Turkish Journal of Biochemistry (TJB) 2021 April 0542
Balchin ZE, Moss PA, Fraser CG. , 1991, Ann Clin Biochem, 28, 622-23 , Biological variation of urinary oxalate in different specimen types
Ann Clin Biochem 1991 0003
Bandaranayake N, Ankrah-Tetteh T, Wijeratne S and Swaminathan R, 2007, Clin Chem Lab Med, 45, 1237-9 , Intraindividual variation in creatinine and cystatin C
Clin Chem Lab Med 2007 0203
Bayart JL, Mairesse A, Gruson D, van Dievoet MA, 2020, Clinica Chimica Acta, 509, 264-267 , Analytical performances and biological variation of PIVKA-II (des-y- carboxy-prothrombin) in European healthy adults
Clinica Chimica Acta 2020 0543
Baysoy A, Karakoyun I, Arslan FD, Basok BI, Colak A, Duman C, 2021, Clin Chem Lab Med, aop, aop , Biological variation data for kidney function related parameter: serum beta trace protein, creatinine and cystatin C from 22 apparently healthy Turkish subjects
Clin Chem Lab Med 2021 0557
Beaton GH, Jean Mimer J, McGuire V, Feather TE, Little JA, 1983, Am J Clin Nutr, 37(6), 986-95 , Source of variance in 24-hour dietary recall data: implications for nutrition study design and interpretation. Carbohydrate sources, vitamins, and minerals
Am J Clin Nutr 1983 0597
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Scand J Clin Lab Invest 1997 0005
Beck Jensen JE, Sorensen HA, Kollerup G, Jensen LB, Sor ensen OH, 1994, Scand J Clin Lab Invest, 54(Sup219), 36-9 , Biological variation of biochemical bone markers
Scand J Clin Lab Invest 1994 0004
Belobrajdic DP, Priebe IK, Forbes B, Flyvbjerg A, Chen JW, Cosgrove LJ, Frystyk J and Saunders IW, 2008, Growth Hormone and IGF Res, 18, 198-204 , Assessing the potential usefulness of IGF-related peptides and adiponectin for predicting disease risk
Growth Hormone and IGF Res 2008 0287
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Ann Clin Biochem 1988 0006
Biosca C, Ricós C, Jiménez CV, Lauzurica R and Galimany R, 1997, Clin Chem, 43, 2206-8 , Model for establishing biological variation in non-healthy situations: renal posttranplantation data
Clin Chem 1997 0007
Biosca C, Ricós C, Jiménez CV, Lauzurica R and Galimany R, 2000, Clin Chim Acta, 301, 79-85 , Are equally spaced specimen collections necessary to assess biological variation? Evidence from renal transplant recipients
Clin Chim Acta 2000 0281
Biosca C, Ricós C, Lauzurica R and Petersen PH, 2006, Clin Chim Acta, 368, 188-191 , Biological variation at long-term renal post-transplantation
Clin Chim Acta 2006 0267
Blombäck M, Eneroth P, Landgren BM, Lagerström M, Anderson O, 1992, Thromb Haemost, 67, 70-5 , On the Intraindividual and Gender Variability of Haemostatic Components
Thromb Haemost 1992 0510
Blomshon A, Hannon RA, Al-Dehaimi AW and Eastell R, 1995, XXIV European Symposium on Calcified Tissues, , , Short-term intraindividual variability of markers of bone turnover in healthy adults
XXIV European Symposium on Calcified Tissues 1995 0172
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Eur J Endocrinol 2009 0460
Boddy JL, Dev A, Pike DJ and Malone PR, 2004, BJU International, 93(6), 735-8 , Intra-individual variation of serum prostate specific antigen levels in men with benign prostate biopsies
BJU International 2004 0465
Bookstein MS, Gidding S, Donovan M and Smith F, 1990, Arch Intern Med, 150, 1653-7 , Day-to-day variability of serum cholesterol, trigliceryde, and high-density lipoprotein cholesterol levels
Arch Intern Med 1990 0008
Borel MJ, Smith SM, Derr J, Beard JL., 1991, Am J Clin Nutr, 54, 729-35 , Day-to-day variation in iron-status indices in healthy men and women
Am J Clin Nutr 1991 0009
Bottani M, Aarsand AK, Banfi G, Locatelli M, Coşkun A, Díaz-Garzón J, Fernandez-Calle P, Sandberg S, Ceriotti F, Carobene A., 2021, Clin Chem Lab Med, Online ahead of print, Online ahead of print , European Biological Variation Study (EuBIVAS): within- and between-subject biological variation estimates for serum thyroid biomarkers based on weekly samplings from 91 healthy participants
Clin Chem Lab Med 2021 0547
Bottani M, Banfi G, Guerra E, Locatelli M, Aarsand AK, Coşkun A, Díaz-Garzón J, Fernandez-Calle P, Sandberg S, Ceriotti F, González-Lao E, Simon M, Carobene A., 2020, Annals of Translational Medicine, 8 (14), 855 , European Biological Variation Study (EuBIVAS): within- and between-subject biological variation estimates for serum biointact parathyroid hormone based on weekly samplings from 91 healthy participants"
Annals of Translational Medicine 2020 0524
Boyle CEL, Cummings ST, Fraser CG., 1987, Ann Clin Biochem, 24(suppl1), 37-8 , Amylase versus lipase activity assays: considerations from biological variation.
Ann Clin Biochem 1987 0010
Braga F and Infusino I, 2013, Clin Chim Acta, 415, 10-1 , Biological variation of free light chains in serum
Clin Chim Acta 2013 0250
Braga F, Dolci A, Montagnana M, Pagani F, Paleari R, Guidi GC, Mosca A and Panteghini M, 2011, Clin Chim Acta, 412, 1412-6 , Revaluation of biological variation of glycated hemoglobin (HbA1c) using an accurately designed protocol and an assay traceable to the IFCC reference system
Clin Chim Acta 2011 0229
Braga F, Ferraro S, Borille S, Panteghini M, 2020, Clin Chem Lab Med, 58(2), e27-e2 , Biological variation of two serum markers for preeclampsia prediction
Clin Chem Lab Med 2020 503
Braga F, Ferraro S, Borille S, Panteghini M, 2020, Clin Chem Lab Med, 58(2), e27-e2 , Biological variation of two serum markers for preeclampsia prediction
Clin Chem Lab Med 2020 0503
Braga F, Ferraro S, Mozzi R and Panteghini M, 2014, Clin Chem Lab Med, 52, 1625-31 , The importance of individual biology in the clinical use of serum biomarkers for ovarian cancer
Clin Chem Lab Med 2014 0258
Braga F, Ferraro S, Mozzi R, Dolci A, Panteghini M, 2013, Clinical Biochemistry, 46, 148-51 , Biological variation of neuroendocrine tumor markers chromogranin A and neuron-specific enolase.
Clinical Biochemistry 2013 0351
Braga F, Szőke D, Valente C, Panteghini M, 2013, Clinica Chimica Acta, 415, 295-6 , Biologic variation of copper, ceruloplasmin and copper/ceruloplasmin ratio (Cu:Cp) in serum
Clinica Chimica Acta 2013 0525
Brambilla DJ, O’Donnell AB, Matsumoto AM, McKinlay JB, 2007, Clinical Endocrinology, 67, 853-862 , Intraindividual variation in levels of serum testosterone and other reproductive and adrenal hormones in men
Clinical Endocrinology 2007 0389
Brescia V, Tampoia M, Cardinali R, 2013, Lab Med, 44(1), 20–24 , Biological Variability of Serum 25-Hydroxyvitamin D and Other Biomarkers in Healthy Subjects
Lab Med 2013 0576
Brock A. , 1990, J Clin Chem Clin Biochem, 28, 851-56 , Immunoreactive plasma cholinesterase substance concentration, compared with cholinesterase activity concentration and albumin: inter- and intra- individual variations in a healthy population group
J Clin Chem Clin Biochem 1990 0011
Brock DA and Gantzer ML, 1987, Clin Chem , 33, 1033 , Intraindividual variation in 24-hr creatinine excretion and 24-hr urinary volume
Clin Chem 1987 0012
Brokner M, Hager HB, Lindberg M, 2017, Scand J Clin Lab Invest, 77(6), 433-436 , Biological variation of holotranscobalamin and cobalamin in healthy individuals
Scand J Clin Lab Invest 2017 0343
Browne RW, Bloom MS, Schisterman EF, Hovey K, Trevisan M, Wu C, Liu A, Wactawski-Wende
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Biomarkers March 2008 0536
Browne RW, Koury ST, Marion S, Willding G, Muti P and Trevisan M, 2007, Clin Chem, 53, 310-7 , Accuracy and biological variation of human serum paraoxonase I activity and polymorphism (QI92R) by kinetic enzyme assays
Clin Chem 2007 0202
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Clin Chem 1988 0019
Browning MC, Ford RP, Callaghan SJ, Fraser CG., 1986, Clin Chem. 32(6):962-6., 32(6), 962-6 , Intra- and interindividual biological variation of five analytes used in assessing thyroid function: implications for necessary standards of performance and the interpretation of results.
Clin Chem. 32(6):962-6. 1986 0017
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Ann Clin Biochem 1989 0015
Browning MCK. , 1987, Ann Clin Biochem, 24 (suppl), 35-8 , Biological variation of the breast-tumour marker CA 15 3: implications for necessary standards of performance and the interpretation of results.
Ann Clin Biochem 1987 0014
Browning MCK, McFarlane NP. , 1990, J Nucl Med Allied Sci, 34(suppl), 89-91 , Objective interpretation of results for tumour marker
J Nucl Med Allied Sci 1990 0016
Browning MCK, McFarlane NP, Horobin JM, Preece PE, Wood RAB, 1988, Ann Clin Biochem, 25, 54S-56S , Evaluation of the comparative clinical utlity of CA15,3 and mucinous carcinoma-associated antigen (MCA) in the management of breast carcinoma
Ann Clin Biochem 1988 0018
Brown LF and Fraser CG, 2008, Ann Clin Biochem, 45, 518-9 , Assay validation and biological variation of serum receptor for advanced glycation end-products
Ann Clin Biochem 2008 0231
Brown SA, Boerwinkle E, Kashanian FK, Swanson N and Patsch W, 1990, Clin Chem, 36, 207-10 , Variation in concentrations of lipids, lipoprotein lipids, and apolipoproteins A-I and B in plasma from healthy women
Clin Chem 1990 0013
Bruins S, Fokkema MR, Ro ̈me r JWP, DeJongste MJL, van der Dijs FPL, van den Ouweland JMV, Muskiet FAJ, 2004, Clin Chem, 50:11, 2052–2058 , High Intraindividual Variation of B-Type Natriuretic Peptide (BNP) and Amino-Terminal proBNP in Patients with Stable Chronic Heart Failure
Clin Chem 2004 0588
Bruun L, Becker Ch et al, 2005, Prostate, 65, 216-21 , Assessment of intra-individual variation in prostate-specific antigen levels in a biennal randomized prostate càncer screening program in Sweden
Prostate 2005 0356
Bui HN, Sluss PM, Hayes FJ, Blincko S, Knol DL, Blankestein MA and Heijboer AC, 2015, Clin Chim Acta, 450, 227-32 , Testosterone, free testosterone and free androgen index in women: reference intervals, biological variation and diagnostic value in polycystic ovary syndrome
Clin Chim Acta 2015 0340
Bungum L, TageviJ, Jokubkiene L et al, 2018, Frontiers in Endocrinology, 9, 1-10 , The impact of the biological variability or assay performance on AMH measurements: a prospective cohort study with AMH tested on three analytical assay-platforms
Frontiers in Endocrinology 2018 0374
Bunting PS, DeBoer G, Choo R et al, 2002, Clin Biochem, 35, 471-5 , Intraindividual variation of PSA, free PSA and complexed PSA in a cohort of patients with prostate cancer managed with watchful observation
Clin Biochem 2002 0466
Buoro S, Carobene A, Seghezzi M, Manenti B, Dominoni P, Pacioni A, Ceriotti F, Ottomano C and Lippi G, 2018, Clin Chem Lab Med, , , Short- and medium-term biological variation estimates of red blood cell and reticulocyte parameters in healthy subjects
Clin Chem Lab Med 2018 0334
Buoro S, Carobene A, Seghezzi M, Manenti B, Pacioni A, Ceriotti F, Ottomano C and Lippi G, 2017, Clin Chim Acta, 473, 147-56 , Short and medium-term biological variation estimates of leukocytes extended to differential count and morphology-structural paràmetres (cell population data) in blood samples obtained from healthy people
Clin Chim Acta 2017 0332
Buoro S, Seghezzi M, Manenti B, Pacioni A, Carobene A, Ceriotti F, Ottomano C and Lippi G, 2017, Clin Chim Acta, 470, 125-32 , Biological variation of platelet parameters determined by Sysmex XN hematology analizer
Clin Chim Acta 2017 0323
Carlsen S, Petersen PH, Skeie S, Skadberg O and Sandberg S, 2011, Clin Chem Lab Med, 49, 1501-7 , Within subject biological variation of glucose and HbA1c in healthy persons and in type 1 diabetes patients
Clin Chem Lab Med 2011 0226
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Clin Chem 2019 0483
Carobene A, Graziani MS, Lo Cascio C, Tretti L, Cremonese E, Yabarek T, Gambaro G and Ceriotti F., 2012, Clin Chem Lab Med, 50, 841-4 , Age dependence of within-subject biological variation of nine common clinical chemistry analytes
Clin Chem Lab Med 2012 0263
Carobene A, Guerra E, Locatelli M, Cucchiara V, Briganti A, Aarsand AK et al, 2018, Clin Chim Acta, 486, 185-91 , Biological variation estimates for prostate specific antigen from the European Biological Variation Study; consequences for diagnosis and monitoring of prostate cancer
Clin Chim Acta 2018 0348
Carobene A, Guerra E, Locatelli M et al , 2018, Clin Chem, 64, 1537-9 , Providing correct estimates of Biological Variation-not an easy task. The exemple of S100-β Protein and Neuron-Specific Enolase
Clin Chem 2018 0359
Carobene A, Guerra E, Marques-Garcia F, Boned B, Locatelli M, Coşkun A, Díaz-Garzón J, Fernandez-Calle P, Sandberg S, Aarsand AK, 2020 Oct, Clin Chim Acta, 509, 268-272 , Biological variation of morning serum cortisol: Updated estimates from the European biological variation study (EuBIVAS) and meta-analysis
Clin Chim Acta 2020 Oct 0523
Carobene A, Marino I, Coskun A, Serteser M, Unsai I, Guerra E, Barlett WA, Sandberg S, Aarsand AK, Sylte MS, Roraas T, Solvik UO, Fernández-Calle P, Diaz-Garzón J, Tosato F, Plebani M, Jonker N, Barla G and Ceriotti F, 2017, Clin Chem, 63, 1527-36 , The EuBIVAS Project: Within- and between-subject biological variation data for serum creatinine using enzymatic and alkaline picrate methods and implications for monitoring
Clin Chem 2017 0333
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Clin Chem 2017 0324
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Clin Sci 1994 0020
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Clin Chem 2016 0283
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Clin Biochem 2011 0432
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CYTOKINE 2000 0539
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Nutrients 2021 0581
Cavalier E, Lukas P, Bottani M, Aarsand A.K., Ceriotti F, Coşkun A, Diaz-Garzón J, Fernàndez-Calle P, Guerra E, 10 & M. Locatelli, Sandberg S, Carobene A, & on behalf of the European Federation of Clinical Chemistry and Laboratory Medicine Working Group on Biological Variation and IOF-IFCC Committee on Bone Metabolism, 2020, Osteoporos Int, 31(8), 1461-1470 , European Biological Variation Study (EuBIVAS): within- and between-subject biological variation estimates of β-isomerized C-terminal telopeptide of type I collagen (β-CTX), N-terminal propeptide of type I collagen (PINP), osteocalcin, intact fibroblast growth factor 23 and uncarboxylated-unphosphorylated matrix-Gla protein—a cooperation between the EFLM Working Group on Biological Variation and the International Osteoporosis Foundation-International Federation of Clinical Chemistry Committee on Bone Metabolism
Osteoporos Int 2020 0518
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Int J Lab Hemat 2016 0317
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Clin Chem Lab Med 2010 0220
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Clin Chem Lab Med 2020 0509
Ceylan Bal*, Serpil Erdogan, Gamze Gök, Cemil Nural, Betül Özbek, Müjgan Ercan, Muhittin Serdar and Özcan Erel, , , , , Biological variation and reference change value data for serum copper, zinc and selenium in Turkish adult population
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Am J Epidem 1992 0021
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Ann Epidemiol 1992 0022
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Nutrients 2020, 2020 0554
Chen S, Shou W, Wu W, Guo Y, Zhang Y, Huang C and Cui W, 2015, Semin Thromb Hemost, 41, 336-41 , Biological and analytical variation of 16 parameters related to coagulation screening tests and the activity of coagulation factors
Semin Thromb Hemost 2015 0328
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Am J Clin Nutr 2010 0225
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Biochim Clin 1994 0298
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Clin Biochem 2003 0433
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Clin Chem 2005 0197
Cho LW Kilpatrick ES, Jayagopal V, Diver MJ and Atkin SL, 2008, Clin Endocrinol, 68, 390-4 , Biological variation of total testosterone, free androgen index and bioavalilable testosterone in polycystic ovarian syndrome: implications for identifying hyperandrogenaemia
Clin Endocrinol 2008 0395
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Clin Chem 1994 0023
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BJU Int 2011 0353
Christgau S, Bjarnason NH, Rigault MY, Pedersen BJ, Littau M, Heelsberg M and Rosenquist C, 1998, Ligand assay , 3, 200-5 , Intra-individual variation and response to antiresorptive therapy assessed by bone resorption measurements with the serum Crosslaps one step ELISA
Ligand assay 1998 0184
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