Berger, T [Studies on the pylorus function in man using the photoelectric technic and pressure recording]. [electronic resource] - Schweizerische medizinische Wochenschrift Feb 1968 - 256-8 p. digital Publication Type: Journal Article ISSN: 0036-7672 Subjects--Topical Terms: Duodenum--physiologyGastrointestinal MotilityHumansLightMethodsPressurePylorus--physiologyTransillumination