jalili khoshnoud, R., Sadighi, M., Ebrahimpour, A., zolghadr, zahra, Nekooghadam, S. mojtaba and jafari kafiabadi, meisam (2020) “Comparing clinical symptoms and short-term side effects of surgery between smokers and non-smokers in COVID-19 patients with orthopedic trauma ”, Iranian Journal of Emergency Medicine, 7(1), p. e31. doi: 10.22037/ijem.v7i1.30445.