00652nam 2200157z- 450 9910712708103321(CKB)5470000002497096(EXLCZ)99547000000249709620230509c1969uuuu -u- -engCharacteristics of persons with corrective lenses, United States--July 1965-June 1966U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health AdministrationWashington, D.CBOOK9910712708103321Characteristics of persons with corrective lenses, United States--July 1965-June 19663307598UNINA