1.
Ullerithody KR, Iyer RH, Subharaman KR. Vitamin D deficiency in children with asthma. Int J Contemp Pediatr [Internet]. 2020 Sep. 21 [cited 2025 Oct. 25];7(10):2030-6. Available from: https://www.ijpediatrics.com/index.php/ijcp/article/view/3615