Stephen J. Reynolds, Jason Nakatsu, Marvin Tillery, Thomas Keefe, John Mehaffy, Peter S. Thorne, Kelley Donham, Matthew Nonnenmann, Vijay Golla, Patrick O'shaughnessy
Ann Occup Hyg. 2009 Aug; 53(6): 585–594. Published online 2009 May 14. doi: 10.1093/annhyg/mep021