our results suggest that hp 2-2 patients have more severe myocardial infarctions than hp 1-1 and hp 2-1 patients , however , no difference in the distribution of haptoglobin phenotype was found between patients who had a myocardial infarction and healthy subjects , indicating that hp 2-2 does not predispose to the occurrence of infarction .
C0027051
myocardial infarction
C0021308
infarction