Barriers against STDs: what about planned pregnancy?
Stein
Zena
Z
Mantell
Joanne
J
D003075:Coitus / Q000523:psychology*; D003270:Contraceptive Agents; D005193:Family Planning Services; D005260:Female; D006801:Humans; D008297:Male; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*
D003270:Contraceptive Agents