@article{articlea3a9e663,
title   = {Determination of pulp vitality in vivo with pulse oximetry},
author = {Calil, E and Caldeira, Celso Luiz and Gavini, Giulio and Lemos, E. M},
year = {2008},
doi = {10.1111/j.1365-2591.2008.01421.x},
journal   = {International Endodontic Journal}
}