http://www.neurosurgery.or.kr/
 
http://www.neurosurgery.org/
 
http://www.jkfc2008.org/
 
http://www.neurosurgeon.org/
 
http://www.koreamed.org/SearchBasic.php
 
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi
 
http://www.jmci.co.kr/