Kong HW, Koo EJ, Yun CH, Ha CK
Koo Ej, Bae JG, Kim EJ, Cho YH
Koo EJ, Lee MR
Koo EJ, Rha JH, Lee BI, Kim MO, Ha CK
Choi SH, Na DL, Lee BH, Hahm DS, Jeong JH, Jeong Y, Koo EJ, Ha CK, Ahn SS, Korean Dementia Research Group
Koo EJ, Jung E, Choi SO
Koo EJ, Youn SH, Baek YH, Roh YH, Choi HJ, Kim YH, Jung GJ
Ihn K, Koo EJ, Ho IG, Lee D, Han SJ
Koo EJ, Jung E, Choi SO, Bae JG
Ihn K, Koo EJ, Ho IG, Han SJ, Oh JT