Modena, C.M. Abreu, V.L.V. de Silva, J.A. da Moreira, E.C. Azevedo, N.A. de Rehfeld, O.A.M. <br/><br/>
Ocorrencia de infeccao pelo virus de leucose enzootica bovina em animais importados 
 Occurence of infection caused by the enzootic bovine leukosis virus in imported animals 

<br/><br/><label>Subjects--Topical Terms: </label><br/>BOVINO<br/>LEUCOSE<br/>QUARENTENA<br/>INFECCAO