Authors: M E Weinblatt; J S Coblyn; D A Fox; P A Fraser; D E Holdsworth; D N Glass; D E Trentham Journal: N Engl J Med Date: 1985-03-28 Impact factor: 91.245
Authors: F Speerstra; A M Boerbooms; L B van de Putte; H J van Beusekom; M W Kruijsen; J P Vandenbroucke Journal: Ann Rheum Dis Date: 1982 Impact factor: 19.103