The use of periodic abstinence for family planning.
Labbok
M H
MH
Department of Obstetrics and Gynecology, Georgetown University Medical Center, Washington, DC 20007.
Queenan
J T
JT
D005193:Family Planning Services / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D012252:Natural Family Planning Methods; D012746:Sexual Abstinence; D012725:Sexual Behavior