Conceptions and misconceptions.
Davidson
S N
SN
D000028:Abortion, Induced; D003270:Contraceptive Agents; D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D013677:Medical Laboratory Science / Q000639:trends*; D015735:Mifepristone; D011247:Pregnancy; D012099:Reproductive Techniques / Q000639:trends*; D012106:Research; D012926:Social Control, Formal; D013076:Sperm Count; D014481:United States