Teenage pregnancies--the challenge of prevention. Sir William Power Memorial Lecture 1992.
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D000028:Abortion, Induced / Q000639:trends; D000293:Adolescent; D003267:Contraception; D003376:Counseling; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006801:Humans; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D006113:United Kingdom