Authors: Julius L Chen; Michael E Chernew; A Mark Fendrick; Joseph W Thompson; Sherri Rose Journal: J Gen Intern Med Date: 2019-09-16 Impact factor: 5.128
Authors: John D Birkmeyer; Bradley N Reames; Peter McCulloch; Andrew J Carr; W Bruce Campbell; John E Wennberg Journal: Lancet Date: 2013-09-28 Impact factor: 79.321