Shrestha, R. et al. 2015. A Cross-Sectional Study of Medication Adherence Pattern and Factors Affecting the Adherence in Chronic Obstructive Pulmonary Disease. Kathmandu University Medical Journal. 13, 1 (Oct. 2015), 64–70. DOI:https://doi.org/10.3126/kumj.v13i1.13756.