UK sexual survey provides key to contraception.
Dawson
J
J
D000293:Adolescent; D000328:Adult; D000368:Aged; D003267:Contraception; D003625:Data Collection; D005193:Family Planning Services; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012725:Sexual Behavior; D006113:United Kingdom