Focusing on the biomedical sciences, this resource developed by the Federation of American Societies for Experimental Biology gives a clear introduction to what is meant by conflict of interest, guidelines for researchers, and links to further resources.

Policy covering all IIT faculty and staff conducting research.

For a clear description of what is meant by a conflict of interest, different kinds of conflicts of interest that exist, and strategies for dealing with conflicts as they arise, see this article in the Encyclopedia of Applied Ethics at the Ethics Library.

This report from a conference held in 2006 by the Federation of American Societies for Experimental Biography gives an extremely good overview of the different types of conflict of interest that exist, and guiding principles for addressing conflicts.

A collection of policies and articles by the United States' National Institutes of Health detailing how they handle conflicts of interest in government-funded research.

An online tutorial developed by Columbia University looking at conflicts of interest in science.