Authors: P B Cotton; G Lehman; J Vennes; J E Geenen; R C Russell; W C Meyers; C Liguory; N Nickl Journal: Gastrointest Endosc Date: 1991 May-Jun Impact factor: 9.427
Authors: M L Freeman; D B Nelson; S Sherman; G B Haber; M E Herman; P J Dorsher; J P Moore; M B Fennerty; M E Ryan; M J Shaw; J D Lande; A M Pheley Journal: N Engl J Med Date: 1996-09-26 Impact factor: 91.245
Authors: Laura Pasin; Elena Frati; Luca Cabrini; Giovanni Landoni; Pasquale Nardelli; Tiziana Bove; Maria Grazia Calabro; Anna Mara Scandroglio; Federico Pappalardo; Alberto Zangrillo Journal: Ann Card Anaesth Date: 2015 Jul-Sep