1. Andersson S, Nilsson G (1974) Appearance of gastrin in perfusates from the isolated gastric antrum of dogs. Scand J Gastroenterol 9: 619
2. Creutzfeld W, Creutzfeld C, Arnold R (1975) The gastrin-producing cells under normal and pathological conditions. Rendic Gastroenterol 7: 93
3. Forssmann WG, Orci L (1969) Ultrastructure and secretory cycle of the gastrin producing cell. Z Zeilforsch 101: 419
4. Hengels K-J, Müller JE, Schölten T, Fritsch W-P (1978) Evidence for the existence of gastric juice gastrin in man and its relevance to acid secretion. Scand J Gastroenterol (Suppl 49) 13: 88
5. Hengels K-J, Müller JE, Scholten T, Fritsch W-P (1980) Evidence for the secretion of gastrin into human gastric juice. Gut (in press)