title: Letter: Dose intervals for procainamide.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000188:drug therapy; D006207:Half-Life; D006801:Humans; D011342:Procainamide / Q000008:administration & dosage* / Q000627:therapeutic use; D013997:Time Factors
chemical_list: D011342:Procainamide