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Risk of using instruments in international clinical trials: the scores may not be comparable across different countries

Wei W, Yang C, Xiao Y, Peng Y, Chen D, Yu J, Wang D, Ding F, Wang Z. . Risk of using instruments in international clinical trials: the scores may not be comparable across different countries. JSM Proceedings, Biometrics Section of American Statistical Association (ASA). . 2013; 201.