Silva, F.M.F. Castro, L.A. Silva Júnior, A. Moraes, M.P. Moreira, M.A.S. Almeida, M.R. Detection of Mycoplasma hyopneumoniae in lungs and nasal swabs of pigs by nested PCR Subjects--Topical Terms: SUÍNODOENÇA ANIMALDIAGNÓSTICOVETERINÁRIA