Authors: J D Hardcastle; W M Thomas; J Chamberlain; G Pye; J Sheffield; P D James; T W Balfour; S S Amar; N C Armitage; S M Moss Journal: Lancet Date: 1989-05-27 Impact factor: 79.321
Authors: D M Eddy; F W Nugent; J F Eddy; J Coller; V Gilbertsen; L S Gottlieb; R Rice; P Sherlock; S Winawer Journal: Gastroenterology Date: 1987-03 Impact factor: 22.682
Authors: P G Ashton-Rickardt; M G Dunlop; Y Nakamura; R G Morris; C A Purdie; C M Steel; H J Evans; C C Bird; A H Wyllie Journal: Oncogene Date: 1989-10 Impact factor: 9.867