Sang Hwan Han, Nam Jong Paik, Donghyun Park, Ki Eon Jang, Myung Hag Lee, Jong Tae Park, Dae Sung Kim, Yeon Sook Lee, Kyung Ja Paik, Young Soo Shin, Dong Bin Song

Korean J Occup Environ Med.1997;9(4):579-588.   Published online 2019 February 1     DOI: http://dx.doi.org/10.35371/kjoem.1997.9.4.579