Authors: A P van Dam; E M Wekking; J A Callewaert; A J Schipperijn; H A Oomen; J de Jong; A J Swaak; R J Smeenk; T E Feltkamp Journal: Rheumatol Int Date: 1994 Impact factor: 2.631
Authors: D A Isenberg; C Dudeney; W Williams; I Addison; S Charles; J Clarke; A Todd-Pokropek Journal: Ann Rheum Dis Date: 1987-06 Impact factor: 19.103