Autor:	Amr, Sania, Wolpert, Beverly, Loffredo, Christopher A., Zheng, Yun-Ling, Shields, Peter G., Jones, Raymond, Harris, Curtis C.
Zdroj:	Journal of Occupational and Environmental Medicine, 2008 Oct 01. 50(10), 1167-1175.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/44997671 Zobrazit plný text záznamu