German Clinical Trials Regis...
German Clinical Trials Register
EU Clinical Trials Register...
平台可以检索到WHO认证的全球临床试验注册中心的正在进行...
BioMed Central Ltd ISRCTN...
Clinical Research Informatio...
Iranian Registry of Clinical...
代表中国的国家临床试验注册中心,世界卫生组织国际临床试验...