cigarette pack years How to Calculate Pack-Years for Smoking Cigarettes Subjective history isn't enough ->
Subjective history isn't enough > measure it. I smoke a few a day. I quit a while ago. Not that much. Only socially. #PackYears #ClinicalSkills #RespiratoryCare #NursesLife #Med Lung and Heart Diseases Are Better Predicted by Pack Years than by Smoking Status or Duration of Smoking Cessation in HIV Patients PLOS One Both Duration and Pack Years of Tobacco Smoking Should Be Used for Clinical Practice and Research PMC Pack Year Calculation
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