@article{article6f5f75e9,
title   = {Occurrence of microorganisms at different levels of the pulp: contribution to endodontic techniques},
author = {Zelante, Flavio and Campos, Claúdio Mendes de and Simões, Waldocyr},
year = {1980},
journal   = {Oral Surgery, Oral Medicine, Oral Pathology}
}