[Present status and future directions of clinical trial registration].
Kiuchi
Takahiro
T
D002986:Clinical Trials as Topic / Q000379:methods / Q000592:standards* / Q000639:trends*; D005544:Forecasting; D006801:Humans; D020407:Internet; D007564:Japan; D011643:Publishing; D012042:Registries / Q000592:standards*