pack year
Description
A way to measure how much a person has smoked over a long period of time. It is calculated by multiplying the number of packs of cigarettes smoked per day by the number of years a person smoked.
A way to measure how much a person has smoked over a long period of time. It is calculated by multiplying the number of packs of cigarettes smoked per day by the number of years a person smoked.
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