The incidence of leukemia and related diseases in patients with rheumatoid (ankylosing) spondylitis treated with x-ray therapy.
D000844:Ankylosis; D006801:Humans; D015994:Incidence; D007938:Leukemia / Q000209:etiology*; D013166:Spondylitis; D013167:Spondylitis, Ankylosing / Q000532:radiotherapy*; D014964:X-Ray Therapy
LEUKEMIA/etiology; SPONDYLITIS, ANKYLOSING/radiotherapy