1. National Institute for Occupational Safety and Health (NIOSH) , NIOSH Manual of Analytical Methods, ed. P. M. Eller and M. E. Cassinelli, NIOSH, Cincinnati, OH, 4th edn, 1994, issue 2; (a) Method No. 2535, Toluene 2,4-diisocyanate; (b) Method No. 5521, Isocyanates, monomeric; (c) Method No. 5525, Isocyanates, total
2. MDHS 25/3 , Methods for the Determination of Hazardous Substances, Organic Isocyanates in Air, Health and Safety Laboratory, January 1999
3. Determination of airborne isocyanates
4. Carcinogenic Risk of Toluene Diisocyanate and 4,4′-Methylenediphenyl Diisocyanate: Epidemiological and Experimental Evidence
5. Isocyanate-Specific Hemoglobin Adduct in Rats Exposed to 4,4‘-Methylenediphenyl Diisocyanate