| Intra- and interindividual biological variation of five analytes used in assessing thyroid function: implications for necessary standards of performance and the interpretation of results., Browning MC, Ford RP, Callaghan SJ, Fraser CG., 1986, Clin Chem. 32(6):962-6., 32(6), 962-6 | 16.2 | 31.7 | Mixed | Healthy (excl pregnant) | Serum |
| Long-term variability in serum thyroglobulin and thyroid related hormones in healthy subjects, Feldt-Rasmussen U, Petersen PH, Blaabjerg O and Horder M, 1980, Acta Endocrinologica, 95, 328-34 | 12.0 | 25.0 | Males | Healthy (excl pregnant) | Serum |
| Long-term variability in serum thyroglobulin and thyroid related hormones in healthy subjects, Feldt-Rasmussen U, Petersen PH, Blaabjerg O and Horder M, 1980, Acta Endocrinologica, 95, 328-34 | 17.0 | 23.0 | Females | Healthy (excl pregnant) | Serum |
| Intrandividual variation in serum thyroid hormones, parathyroid hormone and insulin-like growth factor-1, Ankrah-Tetteh T, Wijeratne S and Swaminathan R, 2008, Ann Clin Biochem, 45, 167-9 | 25.1 | 36.9 | Mixed | Healthy (excl pregnant) | Serum |
| Paediatric reference and biological variation trends of thyrotropin (TSH) and free thyroxine (T4) in an Asian population, Loh TPL, Sethi SK and Metz MP, 2015, J Clin Pathol, 68, 642-7 | | | Mixed | Healthy (excl pregnant) | Serum |
| Intraindividual variability of thyroid function tests in a pediatric population, Oladipo O, Nenninger DA, Parvin Ca and Dietzen DJ, 2010, Clin Chim Acta, 411, 1143-5 | 28.0 | 61.9 | Mixed | Non-healthy (excl pregnant) | Serum |
| Quality goals for hormone testing, Ricós C and Arbós MA, 1990, Ann Clin Biochem, 27, 353-8 | 19.3 | 19.7 | Mixed | Healthy (excl pregnant) | Serum |
| Intra-individual variation of thyroxin, triiodothyronine, and thyrotropin in treated hypothyroid patients: implications for monitoring replacement therapy., Browning MC, Bennet WM, Kirkaldy AJ, Jung RT., 1988, Clin Chem, 34(4), 696-9 | 20.2 | | Mixed | Non-healthy (excl pregnant) | Serum |
| Aplicación clínica de los datos de variabilidad biológica de las hormonas tiroideas, Polo MJ, Ricós C, Catalán R, Juvany R, 1992, Med Clin, 99, 529-31 | 20.6 | 29.4 | Mixed | Healthy (excl pregnant) | Serum |
