WebMD - Peptic ulcers happen when your stomach acids eat away your digestive tract's protective layer of mucus, causing open sores. Signs to watch for: https://wb.md/33zqZro | Facebook
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Cancer of the stomach; a clinical study of 921 operatively and pathologically demonstrated cases . Fig. 12.—(Case No. 19,921).—Extensive carcinoma of the medullary-type involving pyloric third of stomach; moderate pyloric obstruction;areas showing
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Mayo Clinic Q and A: Canker sores often go away on their own, are not contagious - Mayo Clinic News Network
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