Christopher Ames, Vedat Deviren, University of California -- San Francisco (image) University of California - San Francisco Share Print E-Mail Caption UCSF neurosurgeon Christopher Ames, MD, left, and orthopedic surgeon Vedat Deviren, MD, work together in the operating room during a spinal surgery. The two have published a study showing the benefits of having two attending surgeons, instead of one, perform these complex procedures. Credit Susan Merrell/UCSF Usage Restrictions Credit Susan Merrell/UCSF Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.