Columbia subject headings:
Coronary heart disease--Diagnosis--Atlases.
Echocardiography--Atlases.
Heart--Anatomy--Atlases.
Heart--Diseases--Diagnosis--Atlases.
Harvard subject headings:
Coronary heart disease--Diagnosis--Atlases.
Echocardiography--Atlases.
Heart--Anatomy--Atlases.
Heart--Diseases--Diagnosis--Atlases.
Princeton subject headings: