Dong Sup Yoon, Joon Jeong, Young Nyun Park, Kyung Sik Kim, Sung Won Kwon, Hoon Sang Chi, Chanil Park, Byong Ro Kim

Yonsei Med J.1999;40(5):472-477.   Published online 2002 February 20     DOI: http://dx.doi.org/10.3349/ymj.1999.40.5.472