@article{Almeida2006,
author = {Almeida, M. da C.C. and Aquino, E.M.L. and Barros, A.P. de},
title= {School trajectory and teenage pregnancy in three Brazilian state capitals},
year = {2006},
doi = {10.1590/S0102-311X2006000700005},
volume = {22},
pages = {1397--1409},
}