Dr. John Lenihan and Dr. Carol Kovanda ready a patient before using a da Vinci robot surgery system in Tacoma, Washington, on April 30, 2012. As use of the expensive robot increases Lenihan wants all surgeons who use the system to ungero standardized training. (Steve Ringman/Seattle Times/MCT)
Read the article: Use of surgical robots booms despite uncertain science, hefty cost
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