Authors: G Salvador; A Gomez; O Vinas; G Ercilla; J D Canete; J Munoz-Gomez; R Sanmarti Journal: Rheumatology (Oxford) Date: 2003-04-16 Impact factor: 7.580
Authors: L Gonzalez-Lopez; J I Gamez-Nava; G S Jhangri; C Ramos-Remus; A S Russell; M E Suarez-Almazor Journal: J Rheumatol Date: 1999-03 Impact factor: 4.666