one hundred thirty-one patients with rheumatoid arthritis treated with either azathioprine sodium ( n = 37 , 102.7 +/- 32.9 mg/d ) or methotrexate sodium ( n = 94 , 8.4 +/- 3.0 mg/wk ) were followed up for 38 +/- 23.3 months to determine the nature , frequency , and potential predictors of `` '' major '' '' toxic reactions .
C0003873
rheumatoid arthritis
C0949359
methotrexate sodium