Abstract
<h3>To the Editor.—</h3> Radium ingestion is a recognized cause of bone and nasal cancers among radium-dial workers.<sup>1</sup>Recently, the 1981 leukemia incidence rates were reported to be elevated in central Florida counties where radium levels in some private water supplies exceed the Environmental Protection Agency's radiumlimit.<sup>2</sup>We have investigated site-specific cancer rates in these counties over a longer period. <h3>Study.—</h3> We used mortality data from the National Center for Health Statistics and population data from the 1980 Florida census to estimate mortality rates for all types of leukemia, acute myeloid leukemia (AML), and bone and nasal cancers for the five-year period from 1978 to 1982. Radium exposure was classified by county on the basis of radium levels in private wells, as per Lyman et al.<sup>2</sup>A weighted least-squares regression of county-specific age-, race-, and sex-adjusted mortality rates was also used to see if differences in
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: JAMA: The Journal of the American Medical Association
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
