@article{articleeac91520,
title   = {Enhanced programmed death 1 (PD-1) and PD-1 ligand (PD-L1) expression in patients with actinic cheilitis and oral squamous cell carcinoma},
author = {Malaspina , Tatiana Salles de Souza and Gasparoto, Thaís Helena and Costa, Maria Renata Sales Nogueira and Melo Jr, Edgard Jose Franco de and Ikoma, Maura Rosane Valério and Damante, José Humberto and Cavassani, Karen Angélica and Garlet, Gustavo Pompermaier and Silva, João Santana da and Campanelli, Ana Paula},
year = {2011},
doi = {10.1007/s00262-011-1007-5},
journal   = {Cancer Immunology Immunotherapy}
}