Upper Respiratory Allergic Symptoms And Effects Of Coal Dust On Pulmonary Function Tests Of Individuals Working In Coal Mines, Near Quetta, Baluchistan, Pakistan. Adv Basic Med Sci [Internet]. 2021 Aug. 19 [cited 2026 Oct. 31];5(1):7-10. Available from: https://abms.kmu.edu.pk/index.php/abms/article/view/161