Autor:	Grajewski, Barbara, Cox, Clinton, Schrader, Steven M., Murray, William E., Edwards, Richard M., Turner, Terry W., Smith, James M., Shekar, Sam S., Evenson, Donald P., Simon, Stephen D., Conover, David L.
Zdroj:	Journal of Occupational and Environmental Medicine, 2000 Oct 01. 42(10), 993-1005.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/44995757 Zobrazit plný text záznamu