1. Further experience with the starch tolerance test for pancreatic insufficiency;Althausen, T.L.; Uyeyama, K.;Gastroenterology,1961
2. Pancreatic exocrine insufficiency and proteolytic enzymes in stool: a critical evaluation of a new diagnostic test in various forms of steatorrhea;Ammann, R.; Kashiwagi, H.;Helv. med. Acta,1966
3. Diagnostic value of fecal chymotrypsin and trypsin assessment for detection of pancreatic disease;Ammann, R.W.; Tagwercher, E.; Kashiwagi, H.; Rosenmund, H.;Amer. J. dig. Dis,1968
4. Use of I1''-labeled protein in the diagnosis of pancreatic insufficiency;Chinn, A.B.; Lavik, P.S.; Stitt, R.M.; Buckaloo, G.W.;New Engl. J. Med,1952
5. Determination of the plasma glycine after gelatin feeding as a diagnostic procedure for pancreatic fibrosis;Christensen, H.N.; Shwachman, H.;J. clin. Invest,1949