Emergency contraception.
Barker
Sue
S
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001315:Australia; D003268:Contraception Behavior / Q000706:statistics & numerical data*; D044363:Contraception, Postcoital / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D012307:Risk Factors