Investigation of the Factors Affecting Duration of Sputum Smear Negative in Smear Positive Pulmonary Tuberculosis Patients Two Months after Treatment. JKH [Internet]. 2019 Jun. 18 [cited 2024 May 19];14(1):Page:22-27. Available from: https://knh.shmu.ac.ir/index.php/site/article/view/2135