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  • Ishmael Williams, Amy L. Valderrama, +4 authors Zefeng Zhang
  • Medicine
  • Prehospital emergency care : official journal of…
  • 2012 (First Publication: 27 February 2012)
  • Abstract Objectives. To examine prehospital emergency medical services (EMS) scope of practice for acute cardiovascular events and characteristics that may affect scope of practice; and to describeExpand
  • Sophia A Greer, Ishmael Williams, Amy L. Valderrama, Patricia Bolton, Davis G. Patterson, Zefeng Zhang
  • Medicine
  • Prehospital emergency care : official journal of…
  • 2013 (First Publication: 1 January 2013)
  • Abstract Objective. The purpose of this analysis was to determine whether there is an association between type of emergency medical services (EMS) medical direction and local EMS agency practices andExpand
  • Vanessa L Z Gordon-Dseagu, A. Derkach, Qian Xiao, I. Williams, J. Sampson, R. Stolzenberg-Solomon
  • Biology, Medicine
  • Metabolomics
  • 2019 (First Publication: 16 March 2019)
  • IntroductionSleep is increasingly being viewed as an issue of public health concern, yet few epidemiologic studies have explored associations between sleep habits and metabolomic profile.ObjectivesToExpand
    Background Sleep is increasingly being viewed as an important determinant of health, and appears to be associated with cardiovascular disease, diabetes and several site-specific cancers. FewExpand