our previously described hplc method for the simultaneous analysis of several antiarrhythmic drugs and metabolites in serum [ clin . biochem . 14 . 113-118 ( 1981 ) ] was correlated with an enzyme immunoassay technique ( emit ) for quinidine , procainamide , n-acetyl procainamide , and disopyramide .
C0003195
antiarrhythmic drugs
C0033216
procainamide