00502nas 2200157z- 450 9910692818803321(CKB)5470000002357300(EXLCZ)99547000000235730020230503cuuuuuuuu -u- -engNational Ambulatory Medical Care Survey (Diskette version)National Ambulatory Medical Care Survey JOURNAL9910692818803321National Ambulatory Medical Care Survey (Diskette version)3193219UNINA