Toward a stable clinical classification of unstable angina.
Lindenfeld
J
J
Morrison
D A
DA
D000789:Angina, Unstable / Q000145:classification* / Q000628:therapy; D006801:Humans; D017410:Practice Guidelines as Topic; D011379:Prognosis; D012307:Risk Factors; D012720:Severity of Illness Index; D014481:United States; D014483:United States Dept. of Health and Human Services