“Effects Of Blood Lead, Smoking Habits And Nutritional Status Toward Cystatin C Serum”, int.jour.sci.res.mana, vol. 3, no. 7, pp. 3266–3269, Jul. 2015, Accessed: Nov. 22, 2024. [Online]. Available: https://ijsrm.net/index.php/ijsrm/article/view/142