Authors: A A Drosos; D Psychos; A P Andonopoulos; S Stefanaki-Nikou; E B Tsianos; H M Moutsopoulos Journal: Clin Rheumatol Date: 1990-09 Impact factor: 2.980
Authors: R F Willkens; P A Leonard; D O Clegg; K G Tolman; J R Ward; C R Marks; M L Greene; G J Roth; C G Jackson; G W Cannon Journal: Ann Rheum Dis Date: 1990-08 Impact factor: 19.103