Iranian Registry of Clinical...
Iranian Registry of Clinical Trials
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...
EU Clinical Trials Register...
German Clinical Trials Regis...
BioMed Central Ltd ISRCTN...
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...
Clinical Trials Registry - I...
