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001 9910712343303321
035   $a(CKB)5470000002492700
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100   $a20230509c1980uuuu  -u-            -
101 0 $aeng
200 10$aCharacteristics of visits to female and male physicians : the National Ambulatory Medical Care Survey, United States, 1977
210   $cU.S. Department of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics$aHyattsville, Md
517   $aCharacteristics of visits to female and male physicians 
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912   $a9910712343303321
996   $aCharacteristics of visits to female and male physicians : the National Ambulatory Medical Care Survey, United States, 1977$93302736
997   $aUNINA