{{Cite journal| doi = 10.4103/jmas.JMAS_149_18| issn = 0972-9941 (Print) 1998-3921 (Electronic) 1998-3921 (Linking)| volume = 14| issue = 4| pages = 265–272| last1 = Ahmad| first1 = S. J. S.| last2 = Ahmed| first2 = A. R.| last3 = Exadaktylos| first3 = A. K.| last4 = McWhinnie| first4 = D.| last5 = Nickel| first5 = F.| last6 = Hakky| first6 = S. M.| last7 = Ramdin| first7 = A.| last8 = Muller| first8 = P. C.| title = Systematic review on citation classics in minimally invasive gastrointestinal surgery| journal = J Minim Access Surg| date = 2018-08-15| pmid = 30106025}}