| Literature DB >> 6953805 |
N M Hanis, T M Holmes, V A Newill, F R Smith, L G Smith.
Abstract
A cohort study covering the eight year period, 1970-1977, identified eight deaths attributed to brain cancer among employees at a refinery/chemical plant. Five of the cases were primary brain cancers and three were either metastatic from another site or the site was undetermined. A ninth case of brain tumor unspecified was identified. Five primary brain cancers would have been expected, based on national statistics. Some issues and dilemmas related to such a cohort study were discussed.Entities:
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Year: 1982 PMID： 6953805 DOI： 10.1111/j.1749-6632.1982.tb50370.x
Source DB: PubMed Journal: Ann N Y Acad Sci ISSN： 0077-8923 Impact factor: 5.691