title: Long-term methotrexate in refractory rheumatoid arthritis; concurrent use of prednisone possibly improves drug-survival.
authors.forename: P J
authors.initials: PJ
authors.lastname: Kerstens
authors.forename: A M
authors.initials: AM
authors.lastname: Boerbooms
authors.forename: E P
authors.initials: EP
authors.lastname: Brummelkamp
authors.forename: L B
authors.initials: LB
authors.lastname: Van de Putte
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D004359:Drug Therapy, Combination; D005500:Follow-Up Studies; D006801:Humans; D008727:Methotrexate / Q000008:administration & dosage* / Q000627:therapeutic use; D011241:Prednisone / Q000627:therapeutic use*; D013997:Time Factors
chemical_list: D011241:Prednisone; D008727:Methotrexate