Gupta, Amit, and Sachin Kumar. “Correlation of Vitamin D Level With Its Related Biochemical Parameters and Impact of Different Treatment Regimens on Their Correction”. International Journal of Contemporary Pediatrics 8, no. 1 (December 23, 2020): 86–91. Accessed October 23, 2025. https://www.ijpediatrics.com/index.php/ijcp/article/view/3812.