Ankylosing spondylitis and steroid therapy.
D000893:Anti-Inflammatory Agents / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D009422:Nervous System Diseases / Q000188:drug therapy* / Q000209:etiology; D013167:Spondylitis, Ankylosing / Q000150:complications* / Q000188:drug therapy; D013256:Steroids / Q000627:therapeutic use*
D000893:Anti-Inflammatory Agents; D013256:Steroids