Document Type : Original Article
Authors
1 Pulmonologist, Lung Disease & TB Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
2 Pulmonologist, Department of Internal Medicine, Ardabil University of Medical Sciences, Ardabil, Iran.
3 Fellow of Pulmonology, Mashhad University of Medical Sciences, Mashhad, Iran
4 Internist, Mashhad University of Medical Sciences, Mashhad, Iran
5 Resident of Internal Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
Abstract
Keywords