Moro, L. Vasconcelos, A.C. Santos, F.G.A. Alves, C.M. Nunes, J.E.S. Sampaio, I.B.M. Determination of the minimal representative number of microscopic fields to quantify apoptosis in canine lymph nodes Subjects--Topical Terms: CÃOCINOMOSEMICROSCOPIABIOQUÍMICA ANIMAL