Columbia subject headings:
Heart--Diseases--Etiology.
Myocardial infarction--Etiology.
Type A behavior.
Harvard subject headings:
Emotions
Heart--Diseases--Etiology
Myocardial infarction--Etiology.
Type A behavior.
Princeton subject headings:
Emotions.
Heart--Diseases--Etiology.
Myocardial infarction--Etiology.