Answer :

Final answer:

Shepard's Summary, a tool for legal research, is exclusive to Lexis.com. Although similar tools are available on other legal research sites like Westlaw, Shepard's Summary is only on Lexis.

Explanation:

The Shepard's Summary, an essential tool for legal research, can be found on the Lexis.com website. This summary is unique to Lexis, making it the only accurate option given. It's essential to note that while other websites like Westlaw offer similar case law summaries and notes, the specific Shepard's Summary is exclusive to Lexis. Using it, you can review the treatment of a case by other courts to ensure that it's still good law.

Learn more about Shepard's Summary here:

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