Association between Anemia and COPD in Iranian Population - Zavarreh, Roshanak Hasheminasab; Zahmatkesh, Mohammad-Mehdi; Vakili, Masood; Shahriari-Ahmadi, Ali; Zohal, Mohammad Ali; Arabi, Mohsen; Mahmoudian, Alireza; Gheisuri, Abbas; Kian, Abdolhamed; Fahimi, Ali (International Journal of Hematology-Oncology and Stem Cell Research)