Authors: A L Hillman; J M Eisenberg; M V Pauly; B S Bloom; H Glick; B Kinosian; J S Schwartz Journal: N Engl J Med Date: 1991-05-09 Impact factor: 91.245
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