Authors: Kirstie McKenzie-McHarg; Lucy Tully; Simon Gates; Sarah Ayers; Peter Brocklehurst Journal: BMC Health Serv Res Date: 2005-08-09 Impact factor: 2.655
Authors: Philip James Edwards; Ian Roberts; Mike J Clarke; Carolyn Diguiseppi; Reinhard Wentz; Irene Kwan; Rachel Cooper; Lambert M Felix; Sarah Pratap Journal: Cochrane Database Syst Rev Date: 2009-07-08