A 28-Year-Old Man with Chronic Cough and Dyspnea

Authors

1 Department of Internal Medicine ,Division of Pulmonary Disease, Baqiyatallah Medical Sciences University,

2 Department of Internal Medicine, Division of Infectious Disease and Clinical Immunology,

3 Lung Transplantation Research Center, NRITLD, Shahid Beheshti University M.C., Tehran-Iran.