by 赵善坤, 王炳钦, 苏振国, 李少刚, 史月, 桑辛成, 刘安, 韩伟歌
Published in 煤矿安全 (2024)

by 왕병흠(Byong Hum Wang), 김영덕(Young Duck Kim), 이혁상(Hyucksang Lee), 백낙환(Nak Whan Paik)
Published in Annals of surgical treatment and research (1989)

by 왕병흠(Byong Hum Wang), 김진환(Jin Hwan Kim), 김영덕(Young Duck Kim), 이혁상(Hyucksang Lee), 백낙환(Nak Whan Pair)
Published in Annals of surgical treatment and research (1987)