Authors: Barbara Buddeberg-Fischer; Martina Stamm; Claus Buddeberg; Richard Klaghofer Journal: Int Arch Occup Environ Health Date: 2009-09-25 Impact factor: 3.015
Authors: Pieter van den Hombergh; Beat Künzi; Glyn Elwyn; Jan van Doremalen; Reinier Akkermans; Richard Grol; Michel Wensing Journal: BMC Health Serv Res Date: 2009-07-15 Impact factor: 2.655