Use the Timespan options to specify the time period that you wish to search.

• All years – Searches all years in the database.

• Latest 5 years – Searches the current year and the last four years that we entered records in the product database.

• Year to date – Searches the current year.

• Latest 4 updates - Includes document titles from the last four updates to the product database.

• Latest 2 updates - Includes document titles from the last two updates to the product database.

• Latest update - Includes new document titles from the last update to the product database.

• From - Searches a range of database years.

Within the range selection, you can also select the following time periods if you have purchased archived records:

• 1955-1968
• 1945-1954
• 1926-1944

See Also: Biological Abstracts Database

Search Tip

Search results are always sorted by Latest Date. When you restrict your search to a smaller timespan (such as Latest 2 updates), the product sorts all items (both new and old articles) based on the date the documents were added to the product database.

Did You Know ...

The default timespan selection is All Years, where "year" refers to the year that the information was entered in the product database and not necessarily when the document was published.

Did You Also Know ...

The timespan you select will remain in effect until you end your session or until you make another selection.