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Lund T, Geurts van Kessel AH, Haun S, Dixon JE (1986). “The genes for human gastrin and cholecystokinin are located on different chromosomes”. 《Hum. Genet.》 73 (1): 77–80. doi:10.1007/BF00292669. PMID3011648. CS1 관리 - 여러 이름 (링크)
Holst JJ, Orskov C, Seier-Poulsen S (1992). “Somatostatin is an essential paracrine link in acid inhibition of gastrin secretion”. 《Digestion》 51 (2): 95–102. doi:10.1159/000200882. PMID1354190.