title: Chronobiology and the gastro-intestinal tract.
authors: Facoltà di Medicina, Università di Pavia.
authors: U
authors: U
authors: Ventura
mesh_terms: D000818:Animals; D002909:Chronobiology Phenomena; D004068:Digestive System Physiological Phenomena; D005744:Gastric Acid / Q000378:metabolism; D006801:Humans; D013276:Stomach Ulcer / Q000209:etiology