Singh, Gurmeet, Reena Sood, Gursharan Singh Narang, Harnoorjit Kaur Brar, and Amanjeet Kaur Bagga. “Association of Serum Vitamin D Levels and Transient Tachypnea of Newborn: A Case Control Study”. International Journal of Contemporary Pediatrics 4, no. 3 (April 25, 2017): 827–831. Accessed October 12, 2025. https://www.ijpediatrics.com/index.php/ijcp/article/view/794.