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Castro GA, Sgarbieri VC, Carvalho JE, Tinti SV, Possenti A (2007). "Protective effect of collagen derivates on the ulcerative lesions caused by oral administration of ethanol". J Med Food. 10 (1): 154–8. doi:10.1089/jmf.2006.262. PMID17472480.
Laine L, Takeuchi K, Tarnawski A (2008). "Gastric mucosal defense and cytoprotection: bench to bedside". Gastroenterology. 135 (1): 41–60. doi:10.1053/j.gastro.2008.05.030. PMID18549814.
Kusugami K, Ina K, Hosokawa T, Kobayashi F, Kusajima H, Momo K, Nishio Y (May 2000). "Troxipide, a novel antiulcer compound, has inhibitory effects on human neutrophil migration and activation induced by various stimulants". Dig Liver Dis. 32 (4): 305–11. doi:10.1016/S1590-8658(00)80023-7. PMID11515628.