to evaluate the utility of labeled l-amino acids ( aa ) for imaging regional myocardial aa metabolism by positron computed tomography ( pct ) , the myocardial uptake and clearance of ala , * glu , gln , asp , leu tagged with n-13 , and of c-11-tagged asp , and oxaloacetate ( oxal ) , were examined in 44 experiments at control , during ischemia , and after transaminase inhibition .
C0002520
amino acids
C0017797
gln