Combination therapy with sulfasalazine and methotrexate is more effective than either drug alone in patients with rheumatoid arthritis with a suboptimal response to sulfasalazine: results from the double-blind placebo-controlled MASCOT study

在对柳氮磺胺吡啶疗效欠佳的类风湿性关节炎患者中，柳氮磺胺吡啶联合甲氨蝶呤的疗效优于单药治疗：来自双盲安慰剂对照MASCOT研究的结果