Columbia subject headings:
Ambulatory medical care--New York (State)--Quality control.
Clinics--New York (State)--Suffolk County.
Hospitals--Outpatient services--New York (State)--New York.
Poor--Medical care--New York (State)
Harvard subject headings:
Ambulatory medical care--New York (State)--Quality control.
Clinics--New York (State)--Suffolk Co.
Clinics--New York (State)--Suffolk County.
Hospitals--New York (State)--New York--Outpatient services.
Hospitals--Outpatient services--New York (State)--New York.
Poor--Medical care--New York (State)
Princeton subject headings: