@inproceedings{inproceedings739fc554,
title   = {Threshold conditions for controlling age-dependent infection through immunization programs},
author = {Coutinho, Francisco Antônio Bezerra and Massad, Eduardo and Burattini, Marcelo Nascimento and Yang, H M},
year = {1992},
publisher = {Kennya Medical Research Institute},
booktitle   = {International Congress for Infectious Diseases}
}