WebPath: The Internet Pathology Laboratory for Medical Education -- Contains over 2700 images with text that illustrate gross and microscopic pathologic findings along with radiologic imaging associated with human disease conditions. For self-assessment and study there are over 1300 examination items. There are more than 20 tutorials in specific subject areas.
Hemberger, A. B. (2009). Mitral and Aortic Vegetative Endocarditis [Strep. Viridans]. From Pathology Teaching Collection, Cushing/Whitney Medical Library, Yale University