1. Endocrine Cells of the Gastric Mucosa
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3. Håkanson R, Ekelund M, Sundler F. Evolution and tumour pathology of the neuroendocrine system, S Falkmer, R Håkanson, F Sundler. Elsevier, Amsterdam 1984; 371–398
4. Texicological studies on omeprazole
5. Hypergastrinaemia produces trophic effects in stomach but not in pancreas and intestines