Smoke and chronic gastritis.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001655:Bile Reflux / Q000209:etiology; D002908:Chronic Disease; D005260:Female; D005756:Gastritis / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012907:Smoking