📁 参考
Reference is a category for sites devoted to the study of and access to information itself - teaching it (Education), using it (Knowledge Management), storing it (Libraries, Museums) - or sites containing information on topics varied and comprehensive enough that they could not be classified under the other top level Open Directory categories (Dictionaries, Directories, Encyclopedias).
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条目 (16+)
Laboratory for Tissue Engineering and Organ Fabrication
http://www.massgeneral.org/regenmed/research/researchlab.aspx?id=1129
LSD Sickens Three Children at Elementary School
http://www.cnn.com/US/9809/25/children.sickened/