Min-Fu Tsan1, Yen Nguyen2. 1. McGuire Research Institute, Richmond, VA. 2. Office of Research Oversight, Department of Veterans Affairs, Washington, DC.
Authors: Christine K Cassel; Patrick H Conway; Suzanne F Delbanco; Ashish K Jha; Robert S Saunders; Thomas H Lee Journal: N Engl J Med Date: 2014-12-04 Impact factor: 91.245