Stefan Sauerland1, Christian T R Gross2. 1. Institute for Quality and Efficiency in Healthcare (IQWiG), Cologne, Germany. stefan.sauerland@iqwig.de. 2. Institute for Quality and Efficiency in Healthcare (IQWiG), Cologne, Germany.
Authors: Gianlorenzo Dionigi; Luigi Boni; Stefano Rausei; Francesco Frattini; Cesare Carlo Ferrari; Alberto Mangano; Andrea Leotta; Marco Franchin Journal: Langenbecks Arch Surg Date: 2012-01-10 Impact factor: 3.445