Authors: P A McKinney; R A Cartwright; J M Saiu; J R Mann; C A Stiller; G J Draper; A L Hartley; P A Hopton; J M Birch; J A Waterhouse Journal: Arch Dis Child Date: 1987-03 Impact factor: 3.791
Authors: J W Coebergh; A van der Does-van den Berg; E R van Wering; H A van Steensel-Moll; H A Valkenburg; M B van't Veer; P I Schmitz; G E van Zanen Journal: Br J Cancer Date: 1989-01 Impact factor: 7.640