TY - GEN AU - McWilliams,J Michael AU - Landon,Bruce E AU - Chernew,Michael E TI - Changes in health care spending and quality for Medicare beneficiaries associated with a commercial ACO contract SN - 1538-3598 PY - 2013///0902 KW - Accountable Care Organizations KW - economics KW - Aged KW - Blue Cross Blue Shield Insurance Plans KW - Case-Control Studies KW - Commerce KW - Fee-for-Service Plans KW - Female KW - Health Expenditures KW - trends KW - Humans KW - Male KW - Massachusetts KW - Medicare KW - Patient Care KW - Quality Improvement KW - Reimbursement, Incentive KW - United States N1 - Publication Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1001/jama.2013.276302 ER -