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3. Fecal chymotrypsin: a study on its diagnostic value by comparison with the secretincholecystokinin test;Duerr, H.K.; Forell, M.M.; Bode, J.C.;Digestion,1978
4. Chymotrypsin output in the stools in pancreatic and other diseases;Gilat, T.; Gelman-Malachi, E.;Am J Gastroenterol,1976
5. Measurement of trypsin and chymotrypsin activity in stools to detect chronic pancreatic disease;Banwell, J.G.; Leonard, P.J.; Lobe, R.M.F.;Gut,1965