Authors
1 Tobacco Prevention and Control Research Center,
2 Tobacco Prevention and Control Research Center
3 Department of Cardiology,
4 Department of Internal Medicine, NRITLD, Shahid Beheshti University, M.C.,
5 Department of Epidemiology and Biostatistics, Institute of Public Health, Tehran University of Medical Sciences
6 Department of Pulmonary Medicine, NRITLD, Shahid Beheshti University, M.C., TEHRAN-IRAN.
Abstract
Keywords