Authors: P A Selwyn; D Hartel; V A Lewis; E E Schoenbaum; S H Vermund; R S Klein; A T Walker; G H Friedland Journal: N Engl J Med Date: 1989-03-02 Impact factor: 91.245
Authors: G Di Perri; M Cruciani; M C Danzi; R Luzzati; G De Checchi; M Malena; S Pizzighella; R Mazzi; M Solbiati; E Concia Journal: Lancet Date: 1989 Dec 23-30 Impact factor: 79.321
Authors: A Castelo; P A Mathiasi; R Iunes; A L Kritski; M Dalcolmo; F Fiuza de Melo; M Drummond Journal: Pharmacoeconomics Date: 1995-11 Impact factor: 4.981