EAES Guidelines for Endoscopic Surgery - Neugebauer, E.A.M; Buess, G.; Fingerhut, A.; Millat, B.; Neugebauer, Edmund A.; Sauerland, S.; European Association for Endoscopic Surgery; Buess, Gerhard F.; Fingerhut, Abe; Millat, Bertrand; Sauerland, Stefan (Springer Berlin Heidelberg, 2006)