title: Unusual skin reaction to echinomycin.
mesh_terms: D004448:Echinomycin / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009101:Multiple Myeloma / Q000188:drug therapy*; D011810:Quinoxalines / Q000009:adverse effects*; D012883:Skin Ulcer / Q000139:chemically induced*
chemical_list: D011810:Quinoxalines; D004448:Echinomycin