Environment, location and styles of practice.
D003362:Cost-Benefit Analysis; D003695:Delivery of Health Care / Q000639:trends; D005582:Foundations; D006125:Group Practice, Prepaid; D006268:Health Facilities; D006272:Health Facility Environment; D006279:Health Maintenance Organizations; D009907:Optometry; D011364:Professional Practice; D011365:Professional Practice Location