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Start Over Subjects Cross-Sectional Studies ✖Remove constraint Subjects: Cross-Sectional Studies Titles The occurrence of myopia among school children: translated from the German of Dr. Hermann Cohn's work on "Hygiene of the eyes" ✖Remove constraint Titles: The occurrence of myopia among school children: translated from the German of Dr. Hermann Cohn's work on "Hygiene of the eyes"

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  • The occurrence of myopia among school children: translated from the German of Dr. Hermann Cohn's work on "Hygiene of the eyes"1