The significance of prolonged anginal pain (preinfarction angina).
D000787:Angina Pectoris / Q000175:diagnosis*; D000789:Angina, Unstable; D006801:Humans; D009203:Myocardial Infarction / Q000175:diagnosis*; D000637:Transaminases / Q000097:blood*
D000637:Transaminases
ANGINA PECTORIS/diagnosis; MYOCARDIAL INFARCT/diagnosis; TRANSAMINASES/blood