Primary care: an idea in search of a paradigm?
Simpson
L
L
Institute for Health Policy Studies, University of California, San Francisco.
Lee
P R
PR
D005544:Forecasting; D006291:Health Policy / Q000639:trends*; D010818:Practice Patterns, Physicians' / Q000458:organization & administration / Q000592:standards; D011320:Primary Health Care / Q000458:organization & administration*; D014481:United States