Dietary fiber and gastrointestinal disease.
D002769:Cholelithiasis / Q000209:etiology; D003110:Colonic Neoplasms / Q000209:etiology; D004043:Dietary Fiber / Q000009:adverse effects*; D004241:Diverticulum, Colon / Q000209:etiology; D005767:Gastrointestinal Diseases / Q000209:etiology*; D006801:Humans