1.
Srinivasan N, Chandramathi J, Prabhu AS, Ponthenkandath S. Vitamin D deficiency and morbidity among preterm infants in a developing country. Int J Contemp Pediatr [Internet]. 2017 Feb. 22 [cited 2026 Mar. 26];4(2):499-502. Available from: https://www.ijpediatrics.com/index.php/ijcp/article/view/674