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Metformin versus Placebo in Obese Pregnant Women without Diabetes Mellitus.
Syngelaki A, Nicolaides KH, Balani J, Hyer S, Akolekar R, Kotecha R, Pastides A, Shehata H.
N Engl J Med 2016;374:434-43. pdf -
Superovulation, IGFBP-1 and birth weight.
Johnson MR, Irvine R, Hills F, Bolton VN, Abbas AA, Brooks AA, Allman AC, Chard T, Nicolaides KH.
Eur J Obstet Gynecol Reprod Biol 1995;59:193-5.