Authors: A D Bull; A H Biffin; J Mella; A G Radcliffe; J D Stamatakis; R J Steele; G T Williams Journal: J Clin Pathol Date: 1997-02 Impact factor: 3.411
Authors: I J Adam; M O Mohamdee; I G Martin; N Scott; P J Finan; D Johnston; M F Dixon; P Quirke Journal: Lancet Date: 1994-09-10 Impact factor: 79.321