LEADER 00604nam  2200157z- 450 
001 9910712279203321
035   $a(CKB)5470000002491327
035   $a(EXLCZ)995470000002491327
100   $a20230509c1994uuuu  -u-            -
101 0 $aeng
200 10$aCesarean delivery in the United States, 1990
210   $cU.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Center for Health Statistics$aHyattsville, Maryland
906   $aBOOK
912   $a9910712279203321
996   $aCesarean delivery in the United States, 1990$93322946
997   $aUNINA