Authors: G Brown; J J Albers; L D Fisher; S M Schaefer; J T Lin; C Kaplan; X Q Zhao; B D Bisson; V F Fitzpatrick; H T Dodge Journal: N Engl J Med Date: 1990-11-08 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
Authors: M J Koren; D G Smith; D B Hunninghake; M H Davidson; J M McKenney; S R Weiss; H G Schrott; R W Henley; P Tresh; R W McLain; R G Bakker-Arkema; D M Black Journal: Pharmacoeconomics Date: 1998-07 Impact factor: 4.981