| 词条 | Coffee Break (book) |
| 释义 |
Coffee Break is an online book on the NCBI Bookshelf created and maintained by staff at NCBI, a branch of the National Institutes of Health. The book consists of small chapters which are each written about a different topic in the world of Biomedicine. There are currently 34 chapters, and it was last updated August 2010. External links
2 : National Institutes of Health|E-books |
| 随便看 |
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开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。