title: Diagnostic exercise. Eimeria caviae infection with concurrent Balantidium coli infection.
mesh_terms: D000818:Animals; D000830:Animals, Laboratory; D001447:Balantidiasis / Q000175:diagnosis / Q000662:veterinary*; D003048:Coccidiosis / Q000175:diagnosis / Q000662:veterinary*; D004539:Eimeria; D006168:Guinea Pigs; D012376:Rodent Diseases / Q000175:diagnosis*