1. Secretin, Cholecystokinin, Pancreozymin and Gastrin;Jorpes,1973
2. Gastrointestinal Hormones;Mutt,1980
3. Handbook of Physiology, Section 6, The Gastrointestinal System, Vol. II, Neural and Endocrine Biology;Rehfeld,1989
4. Release of radioimmunologic cholecystokinin in human subjects
5. Radioimmunoassay of cholecystokinin