STEIN, I. Amenorrhea associated with bilateral polycystic ovaries. Am J Obstet Gynecol. 1935, 29, 181-191
LAMBERT-MESSERLIAN, GM. Relatively low levels of dimeric inhibin circulate in men and women with polycystic ovarian syndrome using a specific two-site enzyme-linked immunosorbent assay. J Clin Endocrinol Metab. 1994, 79, 45-50
PIGNY, P. Serum levels of inhibins are differentially altered in patients with polycystic ovary syndrome : effects of being overweight and relevance to hyperandrogenism. Fertil Steril. 2000, 73, 972-977
NORMAN, RJ. Circulating follistatin concentrations are higher and activin concentrations are lower in polycystic ovarian syndrome. Hum Reprod. 2001, 16, 668-672