Jain, Mahavir, Abhishek Kulkarni, Rahul Verma, and Joewin Monteiro. “Correlation of Neonatal Cord Blood With Corresponding Maternal Blood Levels of Vitamin D3 at Birth-a Prospective Observational Study”. International Journal of Contemporary Pediatrics 12, no. 6 (May 26, 2025): 941–944. Accessed November 16, 2025. https://www.ijpediatrics.com/index.php/ijcp/article/view/6706.