Bailey, P. E., Bruno, Z. V., Bezerra, M. F., Queiroz, I., Oliveira, C. M., & Chen-mok, M. (2001). Adolescent pregnancy 1 year later: The effects of abortion vs. motherhood in Northeast Brazil. Journal of Adolescent Health, 29, 223-232. doi:10.1016/S1054-139X(01)00215-4