calculating pack years for cigarettes Pack-Year Smoking History: An Inadequate and Biased Measure to Determine Lung Cancer Screening Eligibility Pack-year - Wikipedia

(Etiquetteer is really doing his best to remain focused on etiquette errors, rather than errors of fact

Some brands provide cigarette packs with sizes ranging from 25 to 30 cigarettes each

The holder for the cigarettes has ridges to keep it in place, butit can be opened up to fill it more easily

For the person who isn't taking advantage of a calculator to work out how many packs are in a carton he/she is buying, this is all that needs to know

1 2 Ahold, Delhaize Complete Merger Archived July 22, 2016, at the Wayback Machine Progressive Grocer , Last accessed July 23, 2016

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