Assertion: h antigen | /r/HasProperty | implicated in peptic ulcer disease
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Source sentences:
text: The Le(b) and H antigens are receptors for the bacteria Helicobacter pylori, a gram-negative bacterium that can cause gastritis and has been implicated in peptic ulcer disease, gastric adenocarcinoma, mucosa-associated lymphoma (or mucosal associated lymphatic tissue lymphoma –