We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleElectrocardiographic and hemodynamic effects of a multicomponent dietary supplement containing ephedra and caffeine: a randomized controlled trial.AuthorsMcBride BF; Karapanos AK; Krudysz A; Kluger J; Coleman CI; White CMPublicationJAMA, 2004, Vol 291, Issue 2, p216ISSN1538-3598Publication typearticleDOI10.1001/jama.291.2.216