title: Procainamide assay: a spitting image.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000188:drug therapy; D006801:Humans; D011342:Procainamide / Q000032:analysis / Q000378:metabolism* / Q000627:therapeutic use; D012463:Saliva / Q000032:analysis* / Q000378:metabolism
chemical_list: D011342:Procainamide