Clinical-biochemical findings in the changes of activity of dipeptidylpeptidase iv in the serum in patients with habitual obstipation and after cholecystectomy in connection with the carlsbad drinking therapy

• Bohumil Ždichynec
• Evžen. Křepela
• Jaroslav Benda
• Margita. Cheníčková
• Josef Horní
• Marie Chvátalová
• Anastázie Růžičková