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what tobacco did tolkien smoke on Beer, Pipe Smoking and Writing JRR Tolkien smoking pipe NEW

Name: what tobacco did tolkien smoke on Beer, Pipe Smoking and Writing JRR Tolkien smoking pipe NEW
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SKU: 98992871224

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Description

Method A method of estimating ETS-AM based on the calculation of population attributable fractions (PAF) was used.8 The estimate was made according to STREAMS-p recommendations.9 Calculation Process Firstly, the PAF of ETS exposure was calculated from the following formula: p is the prevalence of ETS exposure, q=1p, y RR is the risk of dying from lung cancer or ischemic heart disease observed in non-smokers exposed to ETS compared to non-exposed subjects