title: [The digestive system and aging].
authors: K
authors: K
authors: Kitani
mesh_terms: D000375:Aging / Q000502:physiology*; D004068:Digestive System Physiological Phenomena; D005769:Gastrointestinal Motility; D006801:Humans; D007408:Intestinal Absorption; D008099:Liver / Q000502:physiology