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1.    , ,              700     World Health Organization (WHO)  [1].    60     , ,         [2]          ,       [3,4].  , ,            [5],     , ,    : 2016

journal of korean biological nursing science

Effect of Smoking Duration, Smoked Cigarettes per Day and Cessation Period on Pulmonary Function in Ex-smokers: Based on the 6th Korea National Health and Nutrition Examination Survey Data (KNHANES, 2016)