Media type: E-Article Title: Leukemia Mortality after X-Ray Treatment for Ankylosing Spondylitis Contributor: Weiss, Helen A.; Darby, Sarah C.; Fearn, Tom; Doll, Richard imprint: JSTOR, 1995 Published in: Radiation Research Language: Not determined DOI: 10.2307/3578960 ISSN: 0033-7587 Origination: Footnote: