Autor:	Yu, II Je, Chung, Yong Hyun, Lim, Cheol Hong, Maeng, Seung Hee, Lee, Jun Yeon, Kim, Hyeon Yeong, Lee, Soo Jin, Kim, Chung Hyun, Kim, Tae Gyun, Lim, Chang Hyeong, Park, Jung Sun, Moon, Young Hahn
Zdroj:	Scandinavian Journal of Work, Environment & Health, 1997 Aug 01. 23(4), 281-288.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/40966648 Zobrazit plný text záznamu