title: [Ribonuclease activity in the duodenal juice, serum and urine during pancreozymin-secretin test. 1. Determination of ribonuclease activity].
mesh_terms: D002766:Cholecystokinin; D004386:Duodenum; D006801:Humans; D007419:Intestinal Secretions / Q000201:enzymology*; D008722:Methods; D012260:Ribonucleases / Q000032:analysis*; D012633:Secretin
chemical_list: D012633:Secretin; D002766:Cholecystokinin; D012260:Ribonucleases