@article{article89468181,
title   = {Photodynamic therapy for anal cancer},
author = {Allison, Ron R. and Sheng, Chao and Cuenca, Rosa and Bagnato, Vanderlei Salvador and Austerlitz, Carlos and Sibata, Claudio H.},
year = {2010},
doi = {10.1016/j.pdpdt.2010.04.002},
journal   = {Photodiagnosis and Photodynamic Therapy}
}