Sultana, Naznin, Taskina Ali, Kazi Saifuddin Bennoor, Md Ali Hossain, Maksuda Bintey Mahmud, Samia Hassan, Salsa Bil Nahar, Sharkia Khanam Rosy, and Salma Anjum. 2022. “Vitamin D3 Supplementation on Lung Functions and Exercise Tolerance in D3 Deficient Asthma COPD Overlap Syndrome Patients - A Randomized Controlled Trial”. Journal of Bangladesh Society of Physiologist 17 (1):21-33. https://doi.org/10.3329/jbsp.v17i1.63213.