8Zhu WJ,Li XM,Chen XM,et al.Follicular aspiration during the selection phase prevents severe ovarian hyperstimulation in patients with polycystic ovary syndrome who are undergoing in vitro fertilization.Eur J Obstet Gynecol Reprod Biol,2005,122(1):79-84.
9Oyawoye OA,Chander B,Hunter J,et al.Prevention of ovarian hyperstimulation syndrome by early aspiration of small follicles in hyper-responsive patients with polycystic ovaries during assisted reproductive treatment cycles.Med Gen Med,2005,7(3):60.
10Salvesen KA,Vanky E,Carlsen SM.Metformin treatment in pregnant women with polycystic ovary syndrome-is reduced complication rate mediated by changes in the uteroplacental circulation? Ultrasound Obstet Gynecol,2007,29(4):433-437.
