Kwon, Jung Hye; Nam, Seung-Hyun; Koh, Sujin; Hong, Young Seon; Lee, Kyung Hee; Shin, Sang-Won; Hui, David; Park, Kyun Woo; Yoon, So Young; Won, Ji Yun, et al.
ArticleIssue Date2013CitationJOURNAL OF PAIN AND SYMPTOM MANAGEMENT, v.46, no.6, pp.947 - 956PublisherELSEVIER SCIENCE INC