using radioimmunoassay , we tested serum elastase 1 ( e1 ) , an enzyme secreted only from the pancreas , in 200 subjects as follows : 39 healthy subjects as controls , 56 patients with diseases of the digestive tract , 66 patients with hepatobiliary diseases , and 39 patients with pancreatic diseases .
C0030274
pancreas
C0030286
pancreatic diseases