title: The current status and future perspectives of clinical trial groups in Japan.
authors: Division of Oncology/Hematology, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa-shi, Chiba, Japan, hrmukai@east.ncc.go.jp.
authors: Hirofumi
authors: H
authors: Mukai
mesh_terms: D001943:Breast Neoplasms / Q000175:diagnosis / Q000517:prevention & control*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007564:Japan; D012107:Research Design