title: Sulphasalazine versus hydroxychloroquine in rheumatoid arthritis: 3-year follow-up.
authors.forename: D M
authors.initials: DM
authors.lastname: van der Heijde
authors.forename: P L
authors.initials: PL
authors.lastname: van Riel
authors.forename: I H
authors.initials: IH
authors.lastname: Nuver-Zwart
authors.forename: L B
authors.initials: LB
authors.lastname: van de Putte
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D004311:Double-Blind Method; D004341:Drug Evaluation; D005500:Follow-Up Studies; D006801:Humans; D006886:Hydroxychloroquine / Q000627:therapeutic use*; D016032:Randomized Controlled Trials as Topic; D012460:Sulfasalazine / Q000627:therapeutic use*
chemical_list: D012460:Sulfasalazine; D006886:Hydroxychloroquine