Intestinal coccidiosis.
D001706:Biopsy; D003048:Coccidiosis / Q000382:microbiology*; D006801:Humans; D007413:Intestinal Mucosa / Q000382:microbiology*; D007421:Intestine, Small / Q000382:microbiology; D007549:Isospora / Q000302:isolation & purification*