As you are developing your research question, you may want to investigate background information on your topic which could include:
The Pace Library has collections of physical books, eBooks, and reference databases that can provide these types of information.
Databases for Locating Background Information & eBook Collections
Locating Books & eBooks
The Books & Media tab on the Pace Library homepage allows you to search by Keyword, Title, Author, or Subject for physical books in the Pace Libraries, eBooks, or video content.
If I performed a search for "autoimmune disease" in the Books & Media tab, the results would include a variety of results including eBooks and print books. The filters on the left side provide limiting options by library location, publication year, resource format, and more.