01031naa a2200349 a 450000100080000000500110000800800410001902400310006010000180009124501030010926000090021265000110022165000200023265000310025265000140028365000170029765000100031465000210032465000250034565000290037065000100039965000260040965300300043565300320046565300320049770000180052970000170054770000180056470000240058270000190060677300560062515241332023-08-08       1996    bl uuuu     u00u1 u    #d7 a10.1136/vr.139.17.4212DOI1 aSOCCOL, V. T.  aOccurrence of resistance to anthelmintics in sheep in Parana State, Brazil.h[electronic resource]  c1996  aBrazil  aDrug resistance  aGastrointestinal nematodes  aHelminths  aParasitology  aSheep  aAnti-Helmíntico  aHaemonchus Contortus  aHelminto Gastrintestinal  aOvino  aResistência Química  aNematodeo gastrintestinal  aResistance to anthelmintics  aResistencia anti-helmintica1 aSOTOMAIOR, C.1 aSOUZA, F. T.1 aCASTRO, E. A.1 aPESSOA SILVA, M. C.1 aMILCZEWSKI, V.  tVeterinary Recordgv. 139, n. 26, p. 421-422, 1996.