by 윤원한(Won Han Yoon), 하우송(Woo Song Ha), 정덕화(Duck Hwa Chung)
Published in Annals of surgical treatment and research (1994)

by 윤원한(Won Han Yoon), 하우송(Woo Song Ha), 박순태(Soon Tae Park), 최상경(Sang Kyung Choi), 홍순찬(Soon Chan Hong), 한호성(Ho Seong Han)
Published in Annals of surgical treatment and research (1992)