Columbia subject headings:
Ambulatory electrocardiography--Congresses.
Ambulatory medical care--Congresses.
Cardiovascular system--Diseases--Diagnosis--Congresses.
Patient monitoring--Congresses.
Harvard subject headings:
Ambulatory electrocardiography--Congresses.
Ambulatory medical care--Congresses.
Cardiovascular system--Diseases--Diagnosis--Congresses.
Patient monitoring--Congresses
Princeton subject headings: