Factors affecting physician professional satisfaction and their implications for patient care, health systems, and health policy - Friedberg, MW; Chen, PG; Van Busum, KR; Aunon Chau Pham, FM; Caloyeras, JP; Mattke, S; Pitchforth, E; Quigley, DD; Brook, RH; Crosson, FJ; Tutty, M (Rand Corporation, 2013)