Sibynomorphus mikanii and Dipsas indica bucephala (Colubridae, Dipsadinae): morphological aspects of the infralabial glands and electrophoretic profile of their secretion - Oliveira, L; Bruni, F.M.; Lopes-Ferreira, M.; Lima, C.; Antoniazzi, Marta Maria; Zaher, Hussam El Dine; Jared, C. (Memorias do Instituto Butantan, 2005)