@article{article03422919,
title   = {Aerobic bacteria , chlamydia trachomatis , pneumocystis carinii and cytomegalovirus as agents of severe pneumonia in small infants},
author = {Ejzenberg, B and Melles, H and Melles, C and Dias, R and Baldacci, Evandro Roberto and Okay, Yassuhiko},
year = {1996},
doi = {10.1590/s0036-46651996000100003},
journal   = {Revista do Instituto de Medicina Tropical de Sao Paulo}
}