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anemia megaloblástica por deficiencia de vitamina B12
www.medigraphic.comatrophy intestinal metaplasia to gastric dysplasia and consequently to adenocarcinoma in a small groupp of patients. Upper endoscopy with biopsy is essential to identify the presence and type of gastric atrophy, typical endoscopic findings are: the absence of gastric folds, pale mucosa and submucosal vessels display, these findings must be