Multiple birth risks associated with IVF and extended embryo culture: USA, 2001.
Surrey
Eric
E
Davis
Owen
O
Gibbons
William B
WB
Grainger
David
D
D005260:Female; D005307:Fertilization in Vitro / Q000706:statistics & numerical data*; D006801:Humans; D009099:Multiple Birth Offspring / Q000706:statistics & numerical data*; D011247:Pregnancy; D011256:Pregnancy Outcome; D012307:Risk Factors; D014481:United States