Singer, A J Pathophysiology of the gastrointestinal tract during pregnancy. [electronic resource] - The American journal of gastroenterology Dec 1991 - 1695-712 p. digital Publication Type: Journal Article; Review ISSN: 0002-9270 Subjects--Topical Terms: AnimalsDigestive System--physiopathologyFemaleGastrointestinal Diseases--physiopathologyHumansPregnancyPregnancy Complications--physiopathology