Unintended pregnancy among teenagers: important roles for primary care providers.
Fielding
J E
JE
Williams
C A
CA
D000293:Adolescent; D003267:Contraception / Q000706:statistics & numerical data; D005260:Female; D006801:Humans; D011247:Pregnancy; D011253:Pregnancy in Adolescence / Q000706:statistics & numerical data; D011320:Primary Health Care; D014481:United States / Q000453:epidemiology