@article{Gupta2000,
author = {Gupta, N.},
title= {Sexual initiation and contraceptive use among adolescent women in Northeast Brazil},
year = {2000},
doi = {10.1111/j.1728-4465.2000.00228.x},
journal = {Studies in Family Planning},
volume = {31},
number = {3},
pages = {228--238},
}