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100   $a20230509c1997uuuu  -u-            -
101 0 $aeng
200 10$aNational Hospital Ambulatory Medical Care Survey : 1992 emergency department summary
210   $cU.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics$aHyattsville, Maryland
517   $aNational Hospital Ambulatory Medical Care Survey 
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996   $aNational Hospital Ambulatory Medical Care Survey : 1992 emergency department summary$93267148
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