@article{articlee218edb6,
title   = {Pulp response of anionic lyophilized collagen matrix with or without hydroxyapatite after pulpotomy in dog's teeth},
author = {Silva, Léa Assed Bezerra da and Leonardo, Mario Roberto and Nelson Filho, Paulo and Medeiros, Alexandra Sárzyla and Rossi, Marcos Antonio},
year = {2006},
doi = {10.1590/s1516-14392006000200012},
journal   = {Materials Research : Revista Ibero-Americana de Materiais}
}