L. Guerra

BF and C3 genetic polymorphisms in Kaingang Indians from southern Brazil.

M. Petzl-Erler, I. D. de Messias, L. Guerra, 1992, Human heredity.

Major histocompatibility complex (MHC) class III genetics in two Amerindian tribes from Southern Brazil: the Kaingang and the Guarani

M. Petzl-Erler, D. Hartmann, P. Schneider, 1997, Human Genetics.