The measurement of cholecystokinin.
D001681:Biological Assay; D055598:Chemical Phenomena; D002621:Chemistry; D002766:Cholecystokinin / Q000032:analysis* / Q000097:blood / Q000134:cerebrospinal fluid; D004064:Digestive System / Q000032:analysis; D006801:Humans; D011863:Radioimmunoassay / Q000379:methods
D002766:Cholecystokinin