Sadek, H M [Hormone secretion by the duodenum on the 1st portion of the jejunum; its importance in the physiology of digestion]. [electronic resource] - Arquivos de cirurgia clinica e experimental - 62-71 p. digital Publication Type: Journal Article ISSN: 0066-7846 Subjects--Topical Terms: DigestionDuodenum--metabolismGastrointestinal Hormones--metabolismHumansJejunum--metabolism