ÁVILA, J.; BRETAÑA, A. A REVIEW: Alfa-galactosyl Epitope on Trypanosoma Cruzi, Leishmania Mexicana and L. Braziliensis, Ultrastructural Localization and Possible role of Antibodies Against this Epitope. Acta Microscopica, v. 2, n. 1, p. 43-54, 31 mar. 1993.