Authors: J Kjeldsen-Kragh; M Haugen; C F Borchgrevink; E Laerum; M Eek; P Mowinkel; K Hovi; O Førre Journal: Lancet Date: 1991-10-12 Impact factor: 79.321
Authors: M A van de Laar; M Aalbers; F G Bruins; A C van Dinther-Janssen; J K van der Korst; C J Meijer Journal: Ann Rheum Dis Date: 1992-03 Impact factor: 19.103
Authors: A Linos; E Kaklamanis; A Kontomerkos; Y Koumantaki; S Gazi; G Vaiopoulos; G C Tsokos; P Kaklamanis Journal: Scand J Rheumatol Date: 1991 Impact factor: 3.641