LEADER 00624nam 2200157z- 450 001 9910712748803321 035 $a(CKB)5470000002496685 035 $a(EXLCZ)995470000002496685 100 $a20230509c1977uuuu -u- - 101 0 $aeng 200 10$aHospital and surgical insurance coverage, United States-1974 210 $cU.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics$aHyattsville, Md 906 $aBOOK 912 $a9910712748803321 996 $aHospital and surgical insurance coverage, United States-1974$93351015 997 $aUNINA