Name arian ezzatpanah Affiliation Department of Internal Medicine, Zanjan University of Medical Sciences, Zanjan, Iran Degree — Website — Email — Journal Articles Conference Articles Projects Books Theses Speeches Innovations TitleJournal 1 Administration of vitamin D to ameliorate dyspnea of chronic obstructive pulmonary disease patients: a randomized controlled trial IMMONUPATHOLOGIA PERSA 5 (2019) 22-26