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| Geography of randomized controlled trials in general internal medicine: is the United States' share declining? | |
| 作者姓名： | Rahman M Fukui T |
| 摘 要： | |
| 收稿时间： | 2002-11-27 |
| 本文献已被 ScienceDirect PubMed 等数据库收录！ | |
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