title: An introduction to the avermectins.
mesh_terms: D000818:Animals; D000871:Anthelmintics; D000981:Antiprotozoal Agents; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy; D055598:Chemical Phenomena; D002621:Chemistry; D004283:Dog Diseases / Q000188:drug therapy; D004285:Dogs; D004478:Ectoparasitic Infestations / Q000188:drug therapy / Q000662:veterinary; D007559:Ivermectin / Q000031:analogs & derivatives*; D007783:Lactones / Q000096:biosynthesis / Q000494:pharmacology / Q000627:therapeutic use; D009348:Nematoda / Q000187:drug effects; D009349:Nematode Infections / Q000188:drug therapy / Q000662:veterinary; D011817:Rabbits; D012756:Sheep; D012757:Sheep Diseases / Q000188:drug therapy; D013045:Species Specificity; D013302:Streptomyces / Q000378:metabolism
chemical_list: D000871:Anthelmintics; D000981:Antiprotozoal Agents; D007783:Lactones; D007559:Ivermectin; C019264:avermectin