RAMADEVI.K, and P.THIRUMALAIKOLUNDUSUBRAMANIAN. “DEVELOPMENTAL DELAY AND MENTAL RETARDATION IN PATIENTS WITH INHERITED METABOLIC DISORDERS”. International Journal of Pharma and Bio Sciences 7, no. 3 (September 30, 2016): 1005–1008. Accessed July 24, 2026. https://ijpbs.net/index.php/journal/article/view/5337.