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Start Over Subjects Myopia -- etiology ✖Remove constraint Subjects: Myopia -- etiology Titles A report upon the sanitary condition of the public schools of Dayton: with special reference to the eyesight of the pupils ✖Remove constraint Titles: A report upon the sanitary condition of the public schools of Dayton: with special reference to the eyesight of the pupils

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  • A report upon the sanitary condition of the public schools of Dayton: with special reference to the eyesight of the pupils1