Ku Bon D, Park Key-Chung, Yoon Sung Sang
Department of Neurology, International St. Mary's Hospital, Catholic Kwandong University College of Medicine, Incheon, Korea.
Department of Neurology, Kyung Hee University School of Medicine, Seoul, Korea.
Korean J Intern Med. 2015 Jul;30(4):543-6. doi: 10.3904/kjim.2015.30.4.543. Epub 2015 Jun 29.