PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9566525-13 1998 These data indicate that a P-glycoprotein may be involved in resistance to ivermectin and other macrocyclic lactones in H. contortus. Lactones 108-116 multidrug resistance protein 1 Ovis aries 27-41