title: Procainamide-induced lupus syndrome in siblings.
mesh_terms: D000368:Aged; D000974:Antibodies, Antinuclear / Q000032:analysis; D001281:Atrial Fibrillation / Q000188:drug therapy; D002037:Bundle-Branch Block / Q000188:drug therapy; D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000139:chemically induced* / Q000235:genetics; D008297:Male; D009504:Neutrophils; D011342:Procainamide / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D013577:Syndrome; D013997:Time Factors
chemical_list: D000974:Antibodies, Antinuclear; D011342:Procainamide