Authors: Paul G Shekelle; Sally C Morton; Lara K Jungvig; Jay Udani; Myles Spar; Wenli Tu; Marika J Suttorp; Ian Coulter; Sydne J Newberry; Mary Hardy Journal: J Gen Intern Med Date: 2004-04 Impact factor: 5.128
Authors: Goran Bjelakovic; Dimitrinka Nikolova; Lise Lotte Gluud; Rosa G Simonetti; Christian Gluud Journal: Cochrane Database Syst Rev Date: 2012-03-14