@article{article263f7232,
title   = {Single crowns versus conventional fillings for the restoration of root filled teeth},
author = {Sequeira, Patrick and Fedorowicz, Zbys and Souza, Raphael Freitas de and Chaves, Carolina de Andrade Lima and Nasser, Mona},
year = {2011},
doi = {10.1002/14651858.cd009109.pub2},
journal   = {Cochrane Database of Systematic Reviews}
}