Early amniocentesis versus chorionic villus sampling for fetal karyotyping.
Bombard
A T
AT
Carter
S M
SM
Nitowsky
H M
HM
D000022:Abortion, Spontaneous / Q000209:etiology*; D000649:Amniocentesis / Q000009:adverse effects*; D015193:Chorionic Villi Sampling; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy