title: Letter: Procainamide and acute arthritis.
mesh_terms: D000328:Adult; D001168:Arthritis / Q000139:chemically induced*; D006801:Humans; D008297:Male; D011342:Procainamide / Q000009:adverse effects*; D013610:Tachycardia / Q000188:drug therapy; D013997:Time Factors
chemical_list: D011342:Procainamide