@article{article5553205d,
title   = {A theoretical model of the evolution of virulence in sexually transmitted HIV/AIDS},
author = {Coutinho, Francisco Antônio Bezerra and Massad, Eduardo and Burattini, Marcelo Nascimento},
year = {1999},
doi = {10.1590/s0034-89101999000400002},
journal   = {Revista de Saúde Pública}
}