. . . "CCK₂" . "cholecystokinin" . . . . "Cholecystokinin" . . "I cell" . . "cholecystokinin (CCK)" . . "CKK" . . . . . . . . "cholecystokinin-pancreozymin" . "CCK" . . . . . . . . . . . "cholecytokinin" . . . . . "Cholecystokinin" . . . . . . . "CCK-8" . . . .