Better than nothing or savvy risk-reduction practice? The importance of withdrawal.
Jones
Rachel K
RK
Guttmacher Institute, New York, NY 10038, USA. rjones@guttmacher.org
Fennell
Julie
J
Higgins
Jenny A
JA
Blanchard
Kelly
K
D003076:Coitus Interruptus; D003267:Contraception / Q000379:methods*; D003268:Contraception Behavior; D005260:Female; D006801:Humans; D008297:Male