Rezaii, Jalal Association between Helicobacter pylori infection and laryngo-hypopharyngeal carcinoma: a case-control study and review of the literature. [electronic resource] - Head & neck Dec 2008 - 1624-7 p. digital Publication Type: Journal Article; Review ISSN: 1097-0347 Standard No.: 10.1002/hed.20918 doi Subjects--Topical Terms: AgedCarcinoma--bloodCase-Control StudiesFemaleGastroesophageal Reflux--complicationsHelicobacter Infections--complicationsHelicobacter pylori--isolation & purificationHumansHypopharyngeal Neoplasms--bloodLaryngeal Neoplasms--bloodMaleMiddle AgedMultivariate AnalysisOdds RatioRegression AnalysisRisk Factors