title: Common gastrointestinal parasites.
mesh_terms: D000818:Animals; D002371:Cat Diseases / Q000175:diagnosis / Q000188:drug therapy / Q000469:parasitology*; D002415:Cats; D002589:Cestoda; D004283:Dog Diseases / Q000175:diagnosis / Q000188:drug therapy / Q000469:parasitology*; D004285:Dogs; D056890:Eukaryota; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000188:drug therapy / Q000469:parasitology / Q000662:veterinary*; D006376:Helminths; D009348:Nematoda; D010272:Parasitic Diseases / Q000175:diagnosis / Q000188:drug therapy / Q000469:parasitology; D010273:Parasitic Diseases, Animal; D014200:Trematoda