@article{article6d0a8063,
title   = {Release of formaldehyde by 4 endodontic sealers},
author = {Leonardo, Mário Roberto and Silva, Léa Assed Bezerra da and Tanomaru Filho, Mário and Silva, Roberto Santana da},
year = {1999},
doi = {10.1016/s1079-2104(99)70119-8},
journal   = {Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics}
}