Radiological progression in rheumatoid arthritis: how many patients are required in a treatment trial to test disease modification?
类风湿性关节炎的放射学进展：治疗试验需要多少患者才能检验疾病改善情况？
期刊:Annals of the Rheumatic Diseases
影响因子:20.6
doi:10.1136/ard.52.5.332
Sharp, J T; Wolfe, F; Corbett, M; Isomaki, H; Mitchell, D M; Furst, D E; Sibley, J; Shipley, M
