Comment: the methionine 196 arginine polymorphism in exon 6 of the TNF receptor 2 gene (TNFRSF1B) is associated with the polycystic ovary syndrome and hyperandrogenism - Peral, B; San Millán, J L; Castello, R; Moghetti, P; Escobar-Morreale, H F (J Clin Endocrinol Metab, 2002)