Correlation between trypanosoma cruzi parasitism and myocardial inflammatory infiltrate in human chronic chagasic myocarditis: light microscopy and immunohistochemical findings - Higuchi, M L; Brito, T; Reis, M M; Barbosa, A.; Bellotti, Giovanni; Barretto, A C P; Pileggi, F (Cardiovascular Pathology, 1993)