Staining intestinal spirochaetes.
D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis*; D007422:Intestines / Q000382:microbiology*; D013144:Spirochaetales / Q000302:isolation & purification*; D013145:Spirochaetales Infections / Q000175:diagnosis*; D013194:Staining and Labeling / Q000379:methods*