Ahmad, H., Justine, M., Othman, Z., Mohan, V., & Mirza, F. (2013). The Outcomes of Short Term Inspiratory Muscle Training (IMT) Combined with Chest Physiotherapy in Hospitalized COPD Patients. Bangladesh Journal of Medical Science, 12(4), 398–404. https://doi.org/10.3329/bjms.v12i4.13302