title: Procainamide hydrochloride and lupus erythematosus.
mesh_terms: D000368:Aged; D003907:Dexamethasone / Q000627:therapeutic use*; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007592:Joint Diseases / Q000209:etiology; D008171:Lung Diseases / Q000209:etiology; D008180:Lupus Erythematosus, Systemic / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D009504:Neutrophils; D011342:Procainamide / Q000008:administration & dosage / Q000009:adverse effects*; D011859:Radiography
chemical_list: D003907:Dexamethasone; D011342:Procainamide