Lee, Mi Geum MD; Choi, Sang Sik MD; Lee, Mi Kyoung MD, PhD; Kong, Myoung Hoon MD, PhD; Lee, Il Ok MD, PhD; Oh, Hye Ran MD
Department of Anesthesiology and Pain Medicine, Korea University Guro Hospital, Seoul, Korea
Reprints: Sang Sik Choi, MD, Department of Anesthesiology and Pain Medicine, Korea University Guro Hospital, Guro 2-dong, Guro-gu, Seoul, Korea 152-703 (e-mail: [email protected]).
Received for publication April 27, 2008; revised June 10, 2008; accepted June 15, 2008
