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Alpers DH, Russell-Jones G (May 2013). "Gastric intrinsic factor: the gastric and small intestinal stages of cobalamin absorption. A personal journey". (review). Biochimie. 95 (5): 989–994. doi:10.1016/j.biochi.2012.12.006. PMID23274574.
Poliner IJ, Spiro HM, Pask BA, Trocchio N (Feb 1958). "The independent secretion of acid, pepsin, and intrinsic factor by the human stomach". (primary). Gastroenterology. 34 (2): 196–209. doi:10.1016/S0016-5085(58)80102-X. PMID13512593.
Heatley NG, Florey H, Turnbull A, Jennings MA, Watson GM, Wakisaka G, et al. (Sep 1954). "Intrinsic factor in the pyloric and duodenal secretions of the pig". (primary). Lancet. 267 (6838). London, England: 578–580. doi:10.1016/S0140-6736(54)90355-4. PMID13193076.
Neumann WL, Coss E, Rugge M, Genta RM (Sep 2013). "Autoimmune atrophic gastritis--pathogenesis, pathology and management". (review). Nature Reviews. Gastroenterology & Hepatology. 10 (9): 529–541. doi:10.1038/nrgastro.2013.101. PMID23774773. S2CID205487577.
Guéant JL, Champigneulle B, Gaucher P, Nicolas JP (Sep 1990). "Malabsorption of vitamin B12 in pancreatic insufficiency of the adult and of the child". (review). Pancreas. 5 (5): 559–567. doi:10.1097/00006676-199009000-00011. PMID2235967. S2CID9077477.
Kozyraki R, Cases O (May 2013). "Vitamin B12 absorption: mammalian physiology and acquired and inherited disorders". (review). Biochimie. 95 (5): 1002–1007. doi:10.1016/j.biochi.2012.11.004. PMID23178706.
Watanabe F (Nov 2007). "Vitamin B12 sources and bioavailability". (review). Experimental Biology and Medicine. 232 (10). Maywood, N.J.: 1266–1274. doi:10.3181/0703-MR-67. PMID17959839. S2CID14732788.
Neumann WL, Coss E, Rugge M, Genta RM (Sep 2013). "Autoimmune atrophic gastritis--pathogenesis, pathology and management". (review). Nature Reviews. Gastroenterology & Hepatology. 10 (9): 529–541. doi:10.1038/nrgastro.2013.101. PMID23774773. S2CID205487577.
Guéant JL, Champigneulle B, Gaucher P, Nicolas JP (Sep 1990). "Malabsorption of vitamin B12 in pancreatic insufficiency of the adult and of the child". (review). Pancreas. 5 (5): 559–567. doi:10.1097/00006676-199009000-00011. PMID2235967. S2CID9077477.
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