title: Acute exacerbation of ankylosing spondylitis after an iron dextran infusion.
mesh_terms: D000208:Acute Disease; D003911:Dextrans; D006801:Humans; D007275:Injections, Intravenous; D007501:Iron / Q000008:administration & dosage / Q000009:adverse effects*; D008297:Male; D008875:Middle Aged; D013167:Spondylitis, Ankylosing / Q000139:chemically induced*
chemical_list: D003911:Dextrans; D007501:Iron