The Use of Population Attributable Risk to Estimate The Impact of Preventive Interventions of Smoking Cessation in Chronic Obstructive Pulmonary Disease(COPD) Seyedeh Mahdieh Namayandeh Zahra Jafarabadi Sanaz Azadi DOI: https://doi.org/10.18502/jchr.v9i4.4973 Abstract This article is a Letter to Editor and does not include an Abstract. PDF Published 2020-12-26 Issue Volume 9 issue (4) Section Articles