Freitas-Ribeiro, G.M. fonseca, C.C. rodrigues, S.S. Matta, S.L.P. da Neves, C.A. Quantification of argyrophilic, argentaffin and insulin immunoreactive cells in the small intestine in the opossum Didelphis aurita (Wied-Neuwied, 1826) Subjects--Topical Terms: CÉLULAGAMBÁMARSUPIALDIDELPHIS MARSUPIALISMAMÍFEROINTESTINO DELGADO