[Medical topics: Clostridium difficile diarrhea of patients with chronic disease; rounded blood cells of runners].
D002908:Chronic Disease / Q000503:physiopathology*; D003015:Clostridium Infections / Q000150:complications*; D003967:Diarrhea / Q000150:complications*; D004912:Erythrocytes / Q000166:cytology*; D006801:Humans; D012420:Running