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Acta Hepato-Gastroenterologica|August 1, 1978
Endopeptidase activity of the brush border of human enterocyteJ Slabý, P Fric, E KasafírekExperientia|April 15, 1983
New low-molecular inhibitors of pancreatic elastase with possible in vivo application: alkylamides of N-acylated tripeptidesP Fric, E Kasafírek, J SlabýCasopis Lekaru Ceskych|February 15, 1993
[Endoscopic ultrasonography of the upper part of the digestive tract. II]M Dvorák, M Zavoral, P FricFolia Biologica|January 1, 1997
Differences of alkaline phosphatase and arginase activities in human colorectal carcinoma cell linesV Sovová, E Sloncová, P FricBiological Chemistry Hoppe-Seyler|April 1, 1985
Anionic inhibitors of pancreatic and leukocyte elastase. Alkylamides of 3-carboxypropionyl- and 4-carboxybutyrylalanine peptidesE Kasafírek, P Fric, J SlabýCasopis Lekaru Ceskych|March 13, 1992
[Endoscopic ultrasonography of the upper digestive tract]M Dvorák, P Fric, M ZavoralCasopis Lekaru Ceskych|March 13, 1992
[Comparison of immunochemical and biochemical methods for determination of occult fecal blood]M Ferkl, P Kocna, P FricExperientia|April 15, 1983
Cleavage of p-nitroanilides of N-acylated tri- and tetrapeptides by alanine endopeptidase from the brush border membranes of rat enterocytesP Kocna, E Kasafírek, P Fric, et al.Czechoslovak Medicine|January 1, 1990
Therapeutic methods of digestive endoscopy in persons of advanced ageP Fric, Z Slezák, J Dosedĕl, et al.Sbornik Lekarsky|May 1, 1990
[Expression of CA 19-9 in tubular and tubulovillous adenomas of the descending and sigmoid colon and the rectum with respect to morphologic differentiation characteristics and the adenoma-carcinoma sequence]P Capek, A Jirásek, P Fric, et al.Pageof 7