[1]
“Vitamin-D deficiency in Asthmatic children and adolescents from northern India - A hospital based prospective study”, AJPHS, vol. 10, no. 1, pp. 2190–2196, Mar. 2020, Accessed: Feb. 27, 2026. [Online]. Available: https://www.ajphs.com/index.php/ajphs/article/view/198