Kap Sung Oh, Woong Choi, Seong Hun Kim, Sung Jin Jeong, Young Hae Chong, Young Jae Lee, Sang Hyung Lee, Hye Sun Kim, Sung Su Kim, Cheol Hyoung Park, Chin Whan Kim, Yoo Hun Suh
J Korean Geriatr Soc. 1997;1(2):140-154. Published online December 31, 1997