Citations are generated automatically from bibliographic data as a convenience and may not be complete or accurate.
Centers for Disease Control and Prevention, Health and Human Services. "Comparison of Two Vision-Testing Devices: A Study to Compare Visual Acuity as Measured by the Sight-Screener and the Sloan Letter Chart". Government. Health, Education, and Welfare Department, January 1, 1963. https://www.govinfo.gov/app/details/GOVPUB-FS-PURL-gpo140694
Centers for Disease Control and Prevention, Health and Human Services. (1963, January 1). Comparison of Two Vision-Testing Devices: A Study to Compare Visual Acuity as Measured by the Sight-Screener and the Sloan Letter Chart. [Government]. Health, Education, and Welfare Department. https://www.govinfo.gov/app/details/GOVPUB-FS-PURL-gpo140694
Centers for Disease Control and Prevention, Health and Human Services. Comparison of Two Vision-Testing Devices: A Study to Compare Visual Acuity as Measured by the Sight-Screener and the Sloan Letter Chart. Health, Education, and Welfare Department, (1 Jan 1963), https://www.govinfo.gov/app/details/GOVPUB-FS-PURL-gpo140694
National Center for Health Statistics, Centers for Disease Control and Prevention, Health and Human Services, Comparison of Two Vision-Testing Devices, GovInfo, (January 1, 1963), https://www.govinfo.gov/app/details/GOVPUB-FS-PURL-gpo140694