Analysis of morbidity (SIR) due to either myocardial infarction or stroke in the cohort.

Results are shown for the whole cohort and the cohort stratified by cumulative silica-exposure quartiles and employment length.本研究呈现了全部研究队列，以及按累积二氧化硅暴露四分位数与工龄分层的亚队列的分析结果。