Sabour Siamak
Department of Clinical Epidemiology, School of Health and Safety, Shahid Beheshti University of Medical Sciences and Safety Promotions and Injury Prevention Research Centre, Shahid Beheshti University of Medical Sciences, Tehran, I.R Iran.
Chest. 2020 Oct;158(4):1782-1783. doi: 10.1016/j.chest.2020.06.075.