title: Spinal hyperostosis and etretinate.
mesh_terms: D000328:Adult; D000368:Aged; D005050:Etretinate / Q000009:adverse effects*; D006801:Humans; D008134:Long-Term Care; D008875:Middle Aged; D013128:Spinal Osteophytosis / Q000139:chemically induced*
chemical_list: D005050:Etretinate