The sexual activity and birth control use of American teenagers

Ngā taipitopito rārangi puna kōrero
Kaituhi matua:	Levine, Philip B.
Hōputu:	Pukapuka
Reo:	Ingarihi
I whakaputaina:	Cambridge National Bureau of Economic Research 2000.
Rangatū:	NBER working paper series no.7601
Ngā marau:	Teenagers > Sexual behavior > Econometric models. > United States. Birth control > Econometric models. > United States. Teenage pregnancy > Econometric models. > United States.