Authors: M F Dorsch; R A Lawrance; R J Sapsford; J Oldham; D C Greenwood; B M Jackson; C Morrell; S G Ball; M B Robinson; A S Hall Journal: Heart Date: 2001-08 Impact factor: 5.994
Authors: Doris T Kristoffersen; Jon Helgeland; Jocelyne Clench-Aas; Petter Laake; Marit B Veierød Journal: BMC Health Serv Res Date: 2012-10-22 Impact factor: 2.655