During rounds today, the residents presented a possible case of necrotizing fasciitis (the "flesh-eating bacteria"). In Atul Gawande's Complications, I'd recently read an account of this disease, so I quickly typed "necrotizing gawande complications" into Google Book Search and immediately showed them this page:
Utterly simple. Google Book Search is an underutilized resource for effectively making your point.
Google Book Search and Medical Education