Clinical Research Informatio...
Clinical Research Information Service, Republic of Korea
BioMed Central Ltd ISRCTN...
Australian New Zealand Clini...
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...
Iranian Registry of Clinical...
全球最大临床试验注册库和资料库,美国卫生研究所(NIH)...
Clinical Trials Registry - I...