PT - JOURNAL ARTICLE AU - Hallvard Lilleng AU - Svein Ivar Bekkelund TI - Arctic environment triggers migraine attacks DP - 2010 Jun 01 TA - Canadian Family Physician PG - 549--551 VI - 56 IP - 6 4099 - http://www.cfp.ca/content/56/6/549.short 4100 - http://www.cfp.ca/content/56/6/549.full SO - Can Fam Physician2010 Jun 01; 56