Contraceptive implants and teenage pregnancy.
Hatcher
R A
RA
Trussell
J
J
D000293:Adolescent; D016497:Adolescent Health Services; D003270:Contraceptive Agents / Q000008:administration & dosage*; D004343:Drug Implants; D005260:Female; D006801:Humans; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D011640:Public Policy; D012746:Sexual Abstinence
D003270:Contraceptive Agents; D004343:Drug Implants