Race, adolescent contraceptive choice, and pregnancy at presentation to a family planning clinic.
Johnson
Robert
R
D000293:Adolescent; D000328:Adult; D000554:Ambulatory Care Facilities; D003267:Contraception / Q000592:standards* / Q000639:trends; D005193:Family Planning Services / Q000458:organization & administration*; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D008430:Maternal-Child Health Centers; D011247:Pregnancy; D011253:Pregnancy in Adolescence / Q000517:prevention & control / Q000706:statistics & numerical data*; D044469:Racial Groups; D014481:United States