RT Journal Article SR Electronic T1 Infection rate and use of antibiotics in patients with rheumatoid arthritis treated with methotrexate. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 224 OP 228 DO 10.1136/ard.53.4.224 VO 53 IS 4 A1 van der Veen, M J A1 van der Heide, A A1 Kruize, A A A1 Bijlsma, J W YR 1994 UL http://ard.bmj.com/content/53/4/224.abstract AB