Authors: M Drummond; F Rutten; A Brenna; C G Pinto; B Horisberger; B Jönsson; C Le Pen; J Rovira; M G von der Schulenburg; H Sintonen Journal: Pharmacoeconomics Date: 1993-09 Impact factor: 4.981
Authors: H J Fuchs; D S Borowitz; D H Christiansen; E M Morris; M L Nash; B W Ramsey; B J Rosenstein; A L Smith; M E Wohl Journal: N Engl J Med Date: 1994-09-08 Impact factor: 91.245