title: Ovine coccidiosis: observations on "oocyst patches" and polyps in naturally-acquired infections.
mesh_terms: D000818:Animals; D003048:Coccidiosis / Q000473:pathology*; D007417:Intestinal Polyps / Q000469:parasitology; D012756:Sheep / Q000469:parasitology*; D012757:Sheep Diseases / Q000469:parasitology / Q000473:pathology*