1. Azziz R, Ehrmann D, Legro RS, Whitcomb RW, Hanley R, Fereshetian AG et al. (2001). Troglitazone improves ovulation and hirsutism in the polycystic ovary syndrome: a multicenter, double blind, placebo-controlled trial. J Clin Endocrinol Metab 86, 1626–1632.
2. Brand-Miller J, Hayne S, Petocz P, Colagiuri S (2003). Low-glycemic index diets in the management of diabetes: a meta-analysis of randomized controlled trials. Diabetes Care 26, 2261–2267.
3. Brettenthaler N, De Geyter C, Huber PR, Keller U (2004). Effect of the insulin sensitizer pioglitazone on insulin resistance, hyperandrogenism, and ovulatory dysfunction in women with polycystic ovary syndrome. J Clin Endocrinol Metab 89, 3835–3840.
4. Chandra A, Martinez GM, Mosher WD, Abma JC, Jones J (2005). Fertility, family planning, and reproductive health of US women: data from the 2002 national survey of family growth. Vital Health Stat 23, 1–160.
5. Chavarro JE, Rich-Edwards JW, Rosner BA, Willett WC (2006). Iron intake and risk of ovulatory infertility. Obstet Gynecol 108, 1145–1152.