Authors: T J Bowker; T C Clayton; J Ingham; N R McLennan; H L Hobson; S D Pyke; B Schofield; D A Wood Journal: Heart Date: 1996-04 Impact factor: 5.994
Authors: J Shepherd; S M Cobbe; I Ford; C G Isles; A R Lorimer; P W MacFarlane; J H McKillop; C J Packard Journal: N Engl J Med Date: 1995-11-16 Impact factor: 91.245