Diet, bowel motility, faeces composition and colonic cancer.
D044383:Black People; D003110:Colonic Neoplasms / Q000453:epidemiology / Q000209:etiology*; D004032:Diet; D005243:Feces / Q000032:analysis; D005769:Gastrointestinal Motility; D006801:Humans; D013019:South Africa; D044465:White People