PT - JOURNAL ARTICLE AU - Neilson, Shane TI - Migraine chronicle AID - 10.1503/cmaj.055244 DP - 2005 Feb 15 TA - Canadian Medical Association Journal PG - 519--519 VI - 172 IP - 4 4099 - http://www.cmaj.ca/content/172/4/519.short 4100 - http://www.cmaj.ca/content/172/4/519.full SO - CMAJ2005 Feb 15; 172