NUsearch is the library's discovery system that can help you find items held by all the Northwestern libraries such as the Main Library in Evanston, Schaffner, and the law school library. Books, journal articles, newspaper articles, and other information formats are also included in NUSearch (video, music recordings and scores, etc.). Use the filters on the left side of the results screen to narrow your search results.
The most useful subject headings for your research may be:
Biomedical Research--Ethics (Medical subject heading)
This video will show you how to take all the words associated with your topic and help you turn them into sources for your paper.
This video will show you how to find and request a book from the library.