Differential expression of the costimulatory molecules CD86, CD28, CD152 and PD-1 correlates with the host-parasite outcome in leprosy - Palermo, Maria de Lourdes; Trindade, Maria Ângela Bianconcini; Duarte, Alberto José da Silva; Cacere, Camila Rodrigues; Benard, Gil (Memórias do Instituto Oswaldo Cruz, 2012)