title: Procainamide and neutropenia.
mesh_terms: D000368:Aged; D000380:Agranulocytosis / Q000139:chemically induced*; D003692:Delayed-Action Preparations; D006801:Humans; D008297:Male; D009503:Neutropenia / Q000139:chemically induced*; D011342:Procainamide / Q000009:adverse effects*
chemical_list: D003692:Delayed-Action Preparations; D011342:Procainamide