RT Journal Article SR Electronic T1 Should methotrexate be a first-line treatment for rheumatoid arthritis? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 207 OP 208 VO 66 IS 4 A1 William S. Wilke YR 1999 UL http://www.ccjm.org/content/66/4/207.abstract AB