Increased expression of regulatory T cells and down-regulatory molecules in lepromatous leprosy - Palermo, Maria L.; Pagliari, Carla; Trindade, Maria Angela Bianconcini; Yamashitafuji, Tania M.; Duarte, Alberto José da Silva; Cacere, Camila Rodrigues; Benard, Gil (American Journal of Tropical Medicine and Hygiene, 2012)