Authors: J Michael McWilliams; Laura A Hatfield; Michael E Chernew; Bruce E Landon; Aaron L Schwartz Journal: N Engl J Med Date: 2016-04-13 Impact factor: 91.245
Authors: J Michael McWilliams; Laura A Hatfield; Bruce E Landon; Pasha Hamed; Michael E Chernew Journal: N Engl J Med Date: 2018-09-05 Impact factor: 91.245