Information for developing national statistics on ambulatory medical care.
D000553:Ambulatory Care; D001291:Attitude of Health Personnel; D006077:Government Agencies; D007255:Information Services; D010044:Outpatient Clinics, Hospital / Q000706:statistics & numerical data; D010820:Physicians / Q000706:statistics & numerical data; D011996:Records; D013223:Statistics as Topic; D014481:United States