%0 Journal Article %T Cerebral mechanism of celecoxib for treating knee pain: study protocol for a randomized controlled parallel trial %A Bao Yin %A Chenjian Tang %A Fang Zeng %A Fanrong Liang %A Jun Zhou %A Shirui Cheng %A Wenhua He %A Xiaohui Dong %A Xiaoli Wu %A Yang Chen %A Yong Huang %A Yu Sheng %A Zhengjie Li %J Archive of "Trials". %D 2019 %R 10.1186/s13063-018-3111-8 %X The online version of this article (10.1186/s13063-018-3111-8) contains supplementary material, which is available to authorized users %K Celecoxib %K fMRI %K Chronic pain %K Knee osteoarthritis %K Central mechanism %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6335784/