@article{articlef3f16dac,
title   = {The impact of imperfect vaccines on the evolution of HIV virulence},
author = {Massad, Eduardo and Burattini, Marcelo Nascimento and Lopez, L. F. and Coutinho, Francisco Antônio Bezerra and Struchiner, C. J.},
year = {2006},
doi = {10.1016/j.mehy.2005.11.042},
journal   = {Medical Hypotheses}
}