00704nam 2200157z- 450 9910712745503321(CKB)5470000002496718(EXLCZ)99547000000249671820230509c1976uuuu -u- -engPersons injured and disability days by detailed type and class of accident, United States - 1971-1972U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health StatisticsRockville, MdBOOK9910712745503321Persons injured and disability days by detailed type and class of accident, United States - 1971-19723350982UNINA