Use the electronic books and texts on this page to familiarize yourself with your topic. You will be able to cite reliable, respected resources for general information as well as specialized information for physicians related to diseases and treatments. Citing some of these sources rather than just Web sites lends more credibility to your paper.
Search the catalog for other scholarly books and electronic books.
Example searches (put keywords or two-word phrases together using the word AND):
colon cancer and genetics
For your grant proposal, some statistics might be required or useful. MSU Libraries has a guide for Finding Health Statistics and Data which points to sources for that kind of information.