Using the Internet to search for cancer clinical trials: a comparative audit of clinical trial search tools
利用互联网搜索癌症临床试验：临床试验搜索工具的比较评价
期刊:Contemporary Clinical Trials
影响因子:1.9
doi:10.1016/j.cct.2008.01.007
Atkinson, Nancy L; Saperstein, Sandra L; Massett, Holly A; Leonard, Colleen Ryan; Grama, Lakshmi; Manrow, Rick
