Selective termination in the first trimester.
Wass
D
D
Bennett
M
M
Garrett
W
W
Warren
P
P
D000032:Abortion, Therapeutic / Q000379:methods*; D000328:Adult; D002824:Chorionic Villi / Q000166:cytology; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D014427:Twins