B.663 and erythema nodosum leprosum.
D004893:Erythema Nodosum; D006801:Humans; D007918:Leprosy / Q000188:drug therapy*; D010619:Phenazines / Q000008:administration & dosage / Q000627:therapeutic use*; D013450:Sulfones / Q000627:therapeutic use; D013997:Time Factors
D010619:Phenazines; D013450:Sulfones