{{Cite journal| doi = 10.1007/s00268-019-05062-3| issn = 1432-2323 (Electronic) 0364-2313 (Linking)| volume = 43| issue = 10| pages = 2365–2370| last1 = Mongelli| first1 = F.| last2 = Fischer| first2 = H.| last3 = Stickel| first3 = M.| last4 = Patella| first4 = M.| last5 = Heeren| first5 = N.| last6 = Christ| first6 = M.| last7 = Gass| first7 = M.| title = Surgical Residents' Proficiency and Turnover May Affect the Overall Efficiency in an Emergency Department| journal = World J Surg| date = 2019-06-20| pmid = 31214832}}