http://tags.library.upenn.edu/tag/database+health+search_engine PennTags Feed http://tags.library.upenn.edu/makerecord/url/3058 http://tags.library.upenn.edu/makerecord/url/3058 Meta-Search and clustering engine for Environmental Health and Toxicology. Searches for information in databases from the NLM database system, NIH, and various U.S. government and international agencies.<br />