Ammann, R W Comparative diagnostic accuracy of four tubeless pancreatic function tests in chronic pancreatitis. [electronic resource] - Scandinavian journal of gastroenterology Nov 1982 - 997-1002 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0036-5521 Subjects--Topical Terms: 4-Aminobenzoic AcidAdolescentAdultAgedChildChronic DiseaseExocrine Pancreatic Insufficiency--etiologyFemaleHumansIsoamylase--bloodMaleMiddle AgedNitroblue TetrazoliumPancreatic Function Tests--methodsPancreatitis--bloodTrypsin--blood