@article{article89dc2e16,
title   = {Importance of bacterial endotoxin (LPS) in endodontics},
author = {Leonardo, Mário Roberto and Silva, Raquel Assed Bezerra da and Assed, Sada and Nelson Filho, Paulo},
year = {2004},
doi = {10.1590/s1678-77572004000200002},
journal   = {Journal of Applied Oral Science}
}