@article{article14131223,
title   = {The risk of yellow fever in a dengue-infested area},
author = {Massad, Eduardo and Coutinho, Francisco Antônio Bezerra and Burattini, Marcelo Nascimento and Lopez, Luiz Fernandes},
year = {2001},
journal   = {Transactions of the Royal Society of Tropical Medicine and Hygiene}
}