Authors: David Atkins; Peter A Briss; Martin Eccles; Signe Flottorp; Gordon H Guyatt; Robin T Harbour; Suzanne Hill; Roman Jaeschke; Alessandro Liberati; Nicola Magrini; James Mason; Dianne O'Connell; Andrew D Oxman; Bob Phillips; Holger Schünemann; Tessa Tan-Torres Edejer; Gunn E Vist; John W Williams Journal: BMC Health Serv Res Date: 2005-03-23 Impact factor: 2.655