@inproceedings{inproceedings7bf61b66,
title   = {Prevalence of oral infections and lesions relationated to gram-negative bacteria in patients with aids},
author = {Costa, C. R. and Calsada, C T and Birman, Esther Goldenberg},
year = {1990},
booktitle   = {Biennial Congress of International Association of Oral Pathologists}
}