Novel joint selection methods can reduce sample size for rheumatoid arthritis clinical trials with ultrasound endpoints.
Allen JC, Thumboo J, Lye WK, Conaghan PG, Chew LC, Tan YK. Novel joint selection methods can reduce sample size for rheumatoid arthritis clinical trials with ultrasound endpoints. Int J Rheum Dis. 2018 Mar; 21(3):693-698.