| 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, Andersson AM, Carlsen E, Petersen JH and Skakkebaek NE, 2003, J Clin Endocrinol Metab, 88, 932-937 | 11.0 | 49.0 | Males | Healthy (excl pregnant) | Serum |
| Within-and between-subjet biological variations of follitropin, lutropin, testesterone, and sex-binding globulin in men, Valero-Politi J, Fuentes-Arderiu X, 1993, Clin Chem, 39, 1723-5 | 17.3 | 36.0 | Males | Healthy (excl pregnant) | Serum |
| Biological day-to-day variation and daytime changes of testosterone, follitropin, lutropin and oestradiol-17β in healthy men, Ahokoski O, Virtanen A, Huupponene R, Scheinin H, Salminen E, Kairisto V, Irjala K, 1998, Clin Chem Lab Med, 36, 485-91 | 8.0 | 47.2 | Males | Healthy (excl pregnant) | Serum |
| Quality goals for hormone testing, Ricós C and Arbós MA, 1990, Ann Clin Biochem, 27, 353-8 | 2.9 | 27.9 | Males | Healthy (excl pregnant) | Serum |
| Biological day-to-day variation and daytime changes of testosterone, follitropin, lutropin and oestradiol-17β in healthy men, Ahokoski O, Virtanen A, Huupponene R, Scheinin H, Salminen E, Kairisto V, Irjala K, 1998, Clin Chem Lab Med, 36, 485-91 | 7.5 | 55.3 | Males | Healthy (excl pregnant) | Serum |
| Biological day-to-day variation and daytime changes of testosterone, follitropin, lutropin and oestradiol-17β in healthy men, Ahokoski O, Virtanen A, Huupponene R, Scheinin H, Salminen E, Kairisto V, Irjala K, 1998, Clin Chem Lab Med, 36, 485-91 | 7.7 | 58.0 | Males | Healthy (excl pregnant) | Serum |
| Quality goals for hormone testing, Ricós C and Arbós MA, 1990, Ann Clin Biochem, 27, 353-8 | 30.8 | 33.6 | Females | Healthy (excl pregnant) | Serum |
| Biological day-to-day variation and daytime changes of testosterone, follitropin, lutropin and oestradiol-17β in healthy men, Ahokoski O, Virtanen A, Huupponene R, Scheinin H, Salminen E, Kairisto V, Irjala K, 1998, Clin Chem Lab Med, 36, 485-91 | 9.1 | 47.4 | Males | Healthy (excl pregnant) | Serum |
