LEADER 00776nam  2200169z- 450 
001 9910712446003321
035   $a(CKB)5470000002493683
035   $a(EXLCZ)995470000002493683
100   $a20230509c1978uuuu  -u-            -
101 0 $aeng
200 10$aSkeletal maturity of youths 12-17 years : racial, geographic area, and socioeconomic differentials, United States, 1966-1970
210   $aHyattsville, Md$cU.S. Department of Health, Education, and Welfare, Public Health Service, National Center for Health Statistics
517   $aSkeletal maturity of youths 12-17 years 
906   $aBOOK
912   $a9910712446003321
996   $aSkeletal maturity of youths 12-17 years : racial, geographic area, and socioeconomic differentials, United States, 1966-1970$93342153
997   $aUNINA