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J Korean Geriatr Soc. 2015;19(3):176-180. Published online September 30, 2015
Seon Jae Kim, Jung A Koh, Hak Chul Lee, Si Eun Kim, Seong Taek Chu, Seung Hun Lee, Jung Ju Sir, Seung Min Choi, Shin Bae Joo, Hong Soon Lee, Dae Hee Han
J Korean Geriatr Soc. 2013;17(2):99-102. Published online June 30, 2013