1. The significance of the N-acyl residue of L-alanyl-L-alanyl-L-alanyl p-nitroanilide for cleavage by pancreatic elastase;Kasafirek, E.; Fric, P.; Malis, F.;FEBS Lett,1974
2. p-Nitroanilides of 3-carboxypropionylpeptides. Their cleavage by elastase, trypsin and chymotrypsin;Kasafirek, E.; Fric, P.; Slaby, J.; Malis, F.;EurJr Biochem,1976
3. Role of amino acid residues in chromogenic substrates cleaved by pancreatic elastase;Kasafirek, E.; Fric, P.; Slaby, J.;Collection Czechoslov Chem Commun,1987
4. Anionic inhibitors of pancreatic and leucocyte elastase;Kasafirek, E.; Fric, P.; Slaby, J.;Biol Chem,1985
5. Inihibitors ofpancreatic and leucocyte elastase;Kasafirek, E.; Fric, P.; Slaby, J.; Kocna, P.;Collection Czechoslov Chem Commun,1987