title: Coccidia (Protozoa, Eimeriidae) of the pikas Ochotona collaris, O. princeps, and O. hyperborea yesoensis.
mesh_terms: D000818:Animals; D003048:Coccidiosis / Q000469:parasitology / Q000662:veterinary*; D004539:Eimeria / Q000302:isolation & purification*; D011817:Rabbits; D012376:Rodent Diseases / Q000469:parasitology*