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