Iavicoli, Ivo, Veruscka Leso, and Luca Fontana. “The Reference Values in the Interpretation of Toxicological Data”. La Medicina del Lavoro | Work, Environment and Health 110, no. 4 (August 26, 2019): 251–270. Accessed May 22, 2022. https://mattioli1885journals.com/index.php/lamedicinadellavoro/article/view/8662.