Authors: T Pincus; N J Olsen; I J Russell; F Wolfe; E R Harris; T J Schnitzer; J A Boccagno; S B Krantz Journal: Am J Med Date: 1990-08 Impact factor: 4.965
Authors: M Voulgarelis; S I Kokori; J P Ioannidis; A G Tzioufas; D Kyriaki; H M Moutsopoulos Journal: Ann Rheum Dis Date: 2000-03 Impact factor: 19.103