Autor:	Frost, John K., Ball Jr, Wilmot C., Levin, Morton L., Tockman, Melvin S., Erozan, Yener S., Gupta, Prabodh K., Eggleston, Joseph C., Pressman, Norman J., Donithan, Michele P., Kimball Jr, Allyn W.
Zdroj:	Journal of Occupational Medicine; Aug1986, Vol. 28 Issue 8, p692-703, 12p
Databáze:	Complementary Index
Externí odkaz:	Zobrazit plný text záznamu