Hassan, S., Ali, T., Bennoor, K. S., Hossain, M. A., Rahman, M., Khan, M. A. S., … Kamal, T. (2025). Does vitamin D3 supplementation improve ventilatory function of Vitamin D deficient COPD patients? - A randomized controlled trial : Vitamin D3 supplementation and COPD. Journal of the Medical College for Women & Hospital, 21(1), 13–22. https://doi.org/10.3329/jmcwh.v21i1.79870