00619nam 2200157z- 450 9910712163003321(CKB)5470000002490481(EXLCZ)99547000000249048120230509c1997uuuu -u- -engPlan and operation of the National Survey of Ambulatory SurgeryU.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health StatisticsHyattsville, MarylandBOOK9910712163003321Plan and operation of the National Survey of Ambulatory Surgery3334327UNINA