Authors: J G Coghlan; D Gilligan; H Humphries; D McKenna; C Dooley; E Sweeney; C Keane; C O'Morain Journal: Lancet Date: 1987-11-14 Impact factor: 79.321
Authors: G M Sobala; B Pignatelli; C J Schorah; H Bartsch; M Sanderson; M F Dixon; S Shires; R F King; A T Axon Journal: Carcinogenesis Date: 1991-02 Impact factor: 4.944