Autor:	Klarman, Herbert E., Bellin, Lowell, Craig, James L., Stone, Richard W., Felton, Jean S., Malenbaum, Wilfred, Keeler, Emmett, Probasco, Preston, Yerby, Alonzo S., Zenz, Carl, Batawi, M. A. El, McCarthy, John J., Hayden, Robert K., Hughes, James P.
Zdroj:	Journal of Occupational Medicine, 1974 Mar 01. 16(3), 166-171.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/45002062 Zobrazit plný text záznamu