“…Serum immunoreactive trypsin, chymotrypsin, elastase, phospholipase A2, a2 macroglobulin levels, methemalbumen, carboxypeptidases, and carboxyl ester hydrolase levels have been reported to be of possible value for the diagnosis of pancreatitis. At this time, their superiority to measurements of amylase and lipase levels is unproved [15,17,21,30,[33][34][35][36][37].…”