[Chronic polymyositis and ankylosing spondylarthritis].
D000844:Ankylosis; D006801:Humans; D008499:Medical Records; D009220:Myositis; D017285:Polymyositis; D013166:Spondylitis; D013167:Spondylitis, Ankylosing
MYOSITIS/case reports; SPONDYLITIS, ANKYLOSING/case reports