Authors: W P Newman; D S Freedman; A W Voors; P D Gard; S R Srinivasan; J L Cresanta; G D Williamson; L S Webber; G S Berenson Journal: N Engl J Med Date: 1986-01-16 Impact factor: 91.245
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