Khan, Z. A., Aslam, M. I., Ahmad, M. H., Ahmad, M. T., Ishaq, H. and Ahmed, Z. (2021) “Upper Respiratory Allergic Symptoms And Effects Of Coal Dust On Pulmonary Function Tests Of Individuals Working In Coal Mines, Near Quetta, Baluchistan, Pakistan”, Advances in Basic Medical Sciences, 5(1), pp. 7–10. Available at: (Accessed: 11August2022).