Authors: A Malmivaara; U Häkkinen; T Aro; M L Heinrichs; L Koskenniemi; E Kuosma; S Lappi; R Paloheimo; C Servo; V Vaaranen Journal: N Engl J Med Date: 1995-02-09 Impact factor: 91.245
Authors: Jennifer A. Klaber Moffett; Elizabeth Newbronner; Gordon Waddell; Karen Croucher; Steven Spear Journal: Health Expect Date: 2000-09 Impact factor: 3.377