Exacerbation of HIV viral load simultaneous with asymptomatic reactivation of chronic Chagas'disease - Sartori, Ana Marli C.; Caiaffa-Filho, Hélio H.; Bezerra, Rita C.; Guilherme, Carmen dos S.; Lopes, Marta H.; Shikanai Yasuda, Maria Aparecida (The American Society of Tropical Medicine and Hygiene, 2002)