{{Cite journal| doi = 10.1213/ANE.0000000000003417| issn = 1526-7598 (Electronic) 0003-2999 (Linking)| volume = 127| issue = 1| pages = 228–239| last1 = Tschopp| first1 = C.| last2 = Tramer| first2 = M. R.| last3 = Schneider| first3 = A.| last4 = Zaarour| first4 = M.| last5 = Elia| first5 = N.| title = Benefit and Harm of Adding Epinephrine to a Local Anesthetic for Neuraxial and Locoregional Anesthesia: A Meta-analysis of Randomized Controlled Trials With Trial Sequential Analyses| journal = Anesth Analg| date = 2018-05-22| pmid = 29782398}}