Atherosclerosis could produce gastric hemorrhagic ulcer via aggravation of gastric acid back-diffusion , LPO generation , histamine release and microvascular permeability that could be ameliorated by verapamil in rats .
B-DiseaseOrPhenotypicFeature O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O O O O O O O B-ChemicalEntity O O B-ChemicalEntity O O O O O O O O O B-ChemicalEntity O B-OrganismTaxon O