U.S. Department of Health & Human Services

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Start Over You searched for: Collections Unique English Imprints, pre-1800 Remove constraint Collections: Unique English Imprints, pre-1800 Languages English Remove constraint Languages: English Copyright Public domain Remove constraint Copyright: Public domain Subjects Refraction, Ocular Remove constraint Subjects: Refraction, Ocular Subjects Vision, Ocular Remove constraint Subjects: Vision, Ocular Genre Case Reports Remove constraint Genre: Case Reports
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