“Estimation Of Serum-Lead Levels In Tobacco Smokers ,Non - Tobacco Smokers, Raw Tobacco Chewers And Its Effects On Hemoglobin Levels-A Comparative Study”, IJFANS, vol. 12, no. 1, pp. 1904–1909, Jan. 2023, Accessed: Aug. 25, 2026. [Online]. Available: http://ijfans.org/index.php/Journal/article/view/1877