Cigarette smoking and smoking-attributable diseases among Estonian physicians: a cross-sectional study.

BMC Public Health · 2018 · PMC5789589 · PMID 29378544

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a clear trendno p-value reported

There was a clear trend of increasing prevalence of IHD and CB by age groups, the trend for LE prevalence was less visible due to a small number of cases (Fig. 1 ).

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