As surgery on the body's most vital organs, the brain and heart, has become more daring and more effective, it has also become more complex. Each new mechanical or electronic aid to the surgeon's skills requires people to run it, and an operating room being used for open-heart surgery now looks like a mob scene from Shakespeare. The crowding and confusion not only bother the surgeon; they are also a disadvantage for the patient: every extra warm body in the operating room is a potential source of infection. Last week, at the...
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