Authors: T Vogels; G H Verrips; S P Verloove-Vanhorick; M Fekkes; R P Kamphuis; H M Koopman; N C Theunissen; J M Wit Journal: Qual Life Res Date: 1998-07 Impact factor: 4.147
Authors: M Fekkes; N C Theunissen; E Brugman; S Veen; E G Verrips; H M Koopman; T Vogels; J M Wit; S P Verloove-Vanhorick Journal: Qual Life Res Date: 2000 Impact factor: 3.440