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  • Content Type: Abstract

    Electronic  Health  Record  (EHR)  data  offers  the  researcher a potentially rich source of data for tracking disease  syndromes. Procedures  performed  on  the  patient, medications… read more
    … the Early Notification of Community-based Epidem- ics (ESSENCE) were included in the analyses. All ESSENCE ICD9-CM … http://www.geis.fhp.osd.mil/GEIS/SurveillanceActivi ties/ESSENCE/ESSENCE.asp#ICD9 . Binary indi- cator variables were …