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Showing articles 0 to 1 of 1 Filter Applied: urine test in toxic screen (Click to remove) Adverse Cardiovascular and Central Nervous System Events Associated with Dietary Supplements Containing Ephedra Alkaloids NEJM 343:1833-1838,1886, Haller,C.A. & Benowitz,N.L., 2000 Showing articles 0 to 1 of 1