Sharma N, Sethi AS, Sethi RS. Vitamin D level as a predictor of pneumonia and asthma in children less than 5 years of age. Int J Contemp Pediatr [Internet]. 2020 Jun. 24 [cited 2026 Mar. 26];7(7):1593-7. Available from: https://www.ijpediatrics.com/index.php/ijcp/article/view/3420