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Start Over Subjects Air Pollution -- adverse effects ✖Remove constraint Subjects: Air Pollution -- adverse effects Subjects Esophageal Diseases ✖Remove constraint Subjects: Esophageal Diseases Titles The impact of pollution on the upper alimentary and respiratory tracts ✖Remove constraint Titles: The impact of pollution on the upper alimentary and respiratory tracts

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  • The impact of pollution on the upper alimentary and respiratory tracts1