Authors: Clare L Emmett; Deirdre J Murphy; Roshni R Patel; Tom Fahey; Claire Jones; Ian W Ricketts; Peter Gregor; Maureen Macleod; Alan A Montgomery Journal: Health Expect Date: 2007-06 Impact factor: 3.377
Authors: Willem Aelvoet; Francis Windey; Geert Molenberghs; Hans Verstraelen; Patrick Van Reempts; Jean-Michel Foidart Journal: BMC Health Serv Res Date: 2008-01-04 Impact factor: 2.655