2023, Kaneda Y, Maeda H, Ozaki A, Higuchi Y, Tanimoto T. Comparing cancer drug approval systems in the United States and Japan. Health Sci Rep. 2023年5月16日 Assessment of Surrogate End Point Trends in Clinical Trials to Approve Oncology Drugs From 2001 to 2020 in Japan | Oncology | JAMA Network Open | JAMA Network