摘要
介绍了美国临床试验的概念、分期和美国临床试验信息网站 (ClinicalTrials .gov)及其内容 。
Introduced in this paper are the concept and phases of clinical trials of the US as well as ClinicalTrials.gov and its contents. And its search methods are discussed.
出处
《中华医学图书情报杂志》
CAS
2004年第3期55-56,共2页
Chinese Journal of Medical Library and Information Science
关键词
临床试验信息
信息检索
Clinical trial information
Information retrieval
US
