http://www.inchem.org/documents/ehc/ehc/ ehc202.htm.(2010)
[12] Xia Z., Duan X., Qiu W, Liu D., Wang B., Tao S., Jiang Q., Lu B., Song Y., Hu X.,
Health Risk Assessment on Dietary Exposure to Polycyclic Aromatic Hydrocarbons (PAHs) in Taiyuan, China. Science of the Total Environment,
408(22): 5331-5337 (2010)
[22] Iwegbue C.M., Bassey F.I., Tesi G.O., Overah L.C., Onyeloni, S.O., Martincigh B.S.,
Concentrations and Health Risk Assessment of Metals in Chewing Gums, Peppermints and Sweets in Nigeria, Journal of Food Measurement and Characterization,
9(2): 160-174 (2015).
[23] Aigberua A.O., Izah S.C., Isaac U.I., Level and Health Risk Assessment of Heavy Metals in Selected Seasonings and Culinary Condiments Used in Nigeria, Biological Evidence, 8(2): 6-20 (2018).
[41] Institute of Medicine., Food and Nutrition Board. “
Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium and Zinc”. The National Academies Press, Washington, DC (2001).
[45] Liu X., Song Q., Tang Y., Li W., Xu J., Wu J., Wang F., Brookes P.C.,
Human Health Risk Assessment of Heavy Metals in Soil–Vegetable System: A Multi-Medium Analysis, Sci. Tot. Environ., 463: 530-540 (2013).