1. Macroamylasemia-survey of prevalence in a mixed population;Barrows, D.; Berk, J.E.; Fridhandler, L.;New Engl. J. Med,1972
2. Macroamylasemia: clinical and laboratory features;Berk, J.E.; Kizu, H.; Take, S.; Fridhandler, L.;Amer. J. Gastroent,1970
3. Macroamylasemia: a newly recognized cause for elevated serum amylase activity;Berk, J.E.; Kizu, H.; Wilding, P.; Searcy, R.L.;New Engl. J. Med,1967
4. Simultaneous study of the metabolic turnover and renal excretion of salivary amylase-'126 and pancreatic amylase-"'3I in the baboon;Duane, W.C.; Frerichs, R.; Levitt, M.D.;J. clin. Invest,1972
5. Automated saccharogenic assay of alpha-amylase activity in serum;Fridhandler, L.; Berk, J.E.;Clin. Chem,1970