00720nam 2200169z- 450 9910712746003321(CKB)5470000002496713(EXLCZ)99547000000249671320230509c1976uuuu -u- -engHospital discharges and length of stay : short-stay hospitals, United States-1972U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health StatisticsRockville, MdHospital discharges and length of stay BOOK9910712746003321Hospital discharges and length of stay : short-stay hospitals, United States-19723350987UNINA