De Palma, Giuseppe, Ilenia Cortesi, Roberta Ghitti, Denise Festa, Roberto Bergonzi, and Pietro Apostoli. “Biological Monitoring As a Valid Tool to Assess Occupational Exposure to Mixtures of 2,4-:2,6-Toluene Diisocyanate / Validità Del Monitoraggio Biologico Per La Valutazione dell’esposizione Professionale a Miscele Di 2,4-:2,6-Toluendiisocianato”. La Medicina del Lavoro | Work, Environment and Health 103, no. 5 (September 1, 2012): 361-371. Accessed August 11, 2020. https://mattioli1885journals.com/index.php/lamedicinadellavoro/article/view/1825.