Yoon Kee Park, Seung Kyung Hann, Moo Yon Cho, Hyung Joo Kim, Sang Chul Shim, Seung Ju Choi, Mi Hong Yun

Yonsei Med J.1991;32(3):231-236.   Published online 2002 February 20     DOI: http://dx.doi.org/10.3349/ymj.1991.32.3.231