Number of deaths observed (O) and expected (E) by category of exposure, duration of exposure, years since first exposure, and cause.
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* All men were exposed for ≥ 6 months.For category and duration of exposure see footnotes to Table 1. IHD = ischaemic heart disease.Number of deaths observed (O) and expected (E) by category of exposure, duration of exposure, years since first exposure, and cause.
创建时间：
2015-12-03
