@article{articlea707bb9f,
title   = {Oral ulcers after a transplant},
author = {Ortega, Karem Lopez and Magalhães, Marina Helena Cury Gallottini and Santos, Paulo Sérgio Silva},
year = {2010},
doi = {10.1016/j.bjoms.2009.01.006},
journal   = {The British journal of oral & maxillofacial surgery}
}