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Comparison of the diagnosis of leukaemia from death certificates, cancer registration and histological reports - implications for occupational case-control studies.
It is essential in occupational case-control studies of rare diseases for ascertainment to be as complete as possible, together with an accurately defined diagnosis. A nested case-control study from a large cohort of UK oil distribution workers followed up since 1950 was carried out to investigate t...
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Formato: | Texto |
Lenguaje: | English |
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Nature Publishing Group
1997
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2223519/ https://www.ncbi.nlm.nih.gov/pubmed/9184189 |