Ambulatory care: the center of the system.  From clinic to group practice.
D000553:Ambulatory Care; D001291:Attitude of Health Personnel; D003695:Delivery of Health Care; D004469:Economics, Hospital; D006123:Group Practice; D006739:Hospital Administration; D006764:Hospitals, Community; D006801:Humans; D007348:Insurance, Health; D008484:Medicaid; D008505:Medical Staff, Hospital; D009934:Organization and Administration; D010044:Outpatient Clinics, Hospital; D010414:Pennsylvania; D011320:Primary Health Care