@article{article17a58e0f,
title   = {A mathematical model of the impact of crack-cocaine use on the prevalence of HIV/AIDS among drug users},
author = {Burattini, Marcelo Nascimento and Massad, Eduardo and Coutinho, Francisco Antônio Bezerra and Azevedo Neto, Raymundo Soares de and Menezes, R. X. and Lopes, L. F.},
year = {1998},
doi = {10.1016/s0895-7177(98)00095-8},
journal   = {Mathematical and Computer Modelling}
}