Biomedical Engineering Reference
In-Depth Information
to external systems, such as fee-for-use databases, are listed when available. The clipboard feature
of Entrez extends the history function by providing a temporary place to save search results, in
addition to the history feature that automatically saves the search criteria. Each database has its own
clipboard area, which holds up to 500 items. Like the history feature, the clipboards are cleared after
one hour of inactivity. However, unlike the history feature, the clipboard isn't automatic; the
researcher must intentionally place results in the clipboard area for later retrieval.
