Increasingly, makers of implanted medical devices are running into problems designing randomized control trials, which are thought to be the gold standard for evidence-based medicine. Read about it in tomorrow's edition of MDD Perspectives, an op-ed e-zine that provides fresh commentary and opinions on issues that you can't find anywhere else. And best of all, it's free. If you don't already subscribe to this complimentary e-zine, go to medicaldevicedaily.com to sign up.