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Start Over Collections Medicine in the Americas, 1610-1920 ✖Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Eyeglasses ✖Remove constraint Subjects: Eyeglasses Subjects Refractive Errors -- therapy ✖Remove constraint Subjects: Refractive Errors -- therapy Titles The importance of the exact correction of refractive errors in school children ✖Remove constraint Titles: The importance of the exact correction of refractive errors in school children

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  • The importance of the exact correction of refractive errors in school children1