Costa, U.C. da Benevenga, S.F. Santiago, M.A.M. <br/><br/>
Oesphagostomum columbianum resistente ao parbendazole [anti-helmintico, ovino] 
 Resistance of Oesophagostonum columbianum to parlendazole 

<br/><br/><label>Subjects--Topical Terms: </label><br/>HELMINTO<br/>OVINO<br/>ANTI-HELMINTICO