Drug-induced lupus.
D000368:Aged; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use; D000974:Antibodies, Antinuclear / Q000032:analysis; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000139:chemically induced* / Q000188:drug therapy / Q000276:immunology; D008297:Male; D011342:Procainamide / Q000009:adverse effects*
D000894:Anti-Inflammatory Agents, Non-Steroidal; D000974:Antibodies, Antinuclear; D011342:Procainamide