Lee Yoon-Sook, Lee Se-Hwa, Kim Woon-Young, Kim Jae-Hwan, Park Young-Cheol
Department of Anesthesiology and Pain Medicine, Korea University Ansan Hospital, Ansan, Korea.
Korean J Anesthesiol. 2012 Feb;62(2):194-5. doi: 10.4097/kjae.2012.62.2.194. Epub 2012 Feb 20.