Pontarolo, R. Lopes, L.C.V. Duarte, J.H. Feijo, M.A.L. Estudos de polissacarideos da placenta bovina em diferentes estagios de gestacao Studies on the polysaccharides from bovine placenta at different stages of pregnancy Subjects--Topical Terms: BOVINOPLACENTAPOLISSACARIDEOPRENHEZ