Infliximab versus placebo in rheumatoid arthritis patients receiving concomitant methotrexate: a randomized, double blind, controlled trial是什么意思_Infliximab versus placebo in rheumatoid arthritis patients receiving concomitant methotrexate: a randomized, double blind, controlled trial在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句