TY - JOUR KW - accountable care organizations KW - Accountable Care Organizations/trends KW - Affordable Care Act KW - Asthma/therapy KW - Care management KW - Coronary Disease/therapy KW - Delivery of Health Care/trends KW - Depression/therapy KW - Diabetes Mellitus/therapy KW - Female KW - Humans KW - Male KW - Middle Aged KW - Patient Protection and Affordable Care Act KW - Patient-Centered Care/trends KW - physician practices KW - Physician's Practice Patterns/organization & administration/trends KW - Physician's Role KW - United States AU - S. M. Shortell AU - S. R. McClellan AU - P. P. Ramsay AU - L. P. Casalino AU - A. M. Ryan AU - K. R. Copeland A1 - BT - Health services research C5 - Financing & Sustainability; Education & Workforce CP - 5 CY - United States DO - 10.1111/1475-6773.12167 IS - 5 JF - Health services research PP - United States PY - 2014 SN - 1475-6773; 0017-9124 SP - 1519 EP - 1536 EP - T1 - Physician practice participation in accountable care organizations: the emergence of the unicorn T2 - Health services research TI - Physician practice participation in accountable care organizations: the emergence of the unicorn U1 - Financing & Sustainability; Education & Workforce U2 - 24628449 U3 - 10.1111/1475-6773.12167 VL - 49 VO - 1475-6773; 0017-9124 Y1 - 2014 ER -