PT - JOURNAL ARTICLE AU - Andrew J Ostör TI - Beyond methotrexate: biologic therapy in rheumatoid arthritis AID - 10.7861/clinmedicine.5-3-222 DP - 2005 May 01 TA - Clinical Medicine PG - 222--226 VI - 5 IP - 3 4099 - http://www.rcpjournals.org/content/5/3/222.short 4100 - http://www.rcpjournals.org/content/5/3/222.full SO - Clin Med2005 May 01; 5