00626naa a2200205 a 450000100080000000500110000800800410001910000190006024501130007926000090019265000190020165000100022065300160023070000210024670000240026770000150029170000240030670000150033077300750034519248142025-05-22       1989    bl uuuu     u00u1 u    #d1 aDAL PIZZOL, M.  aMaedi-Visnabevidência de ovinos infectados no Rio Grande do Sul, Brasil, 1987-1989.h[electronic resource]  c1989  aDoença animal  aOvino  aMaedi-Visna1 aRAVAZZOLO, A. P.1 aGONÇALES, I. P. D.1 aHOTZAL, I.1 aFERNANDES, J. C. T.1 aMOOJEN, V.  tArquivos da Faculdade de Veterinária da UFRGSgv. 17, p. 65-76, 1989.