TY - JOUR T1 - Arctic environment triggers migraine attacks JF - Canadian Family Physician JO - Can Fam Physician SP - 549 LP - 551 VL - 56 IS - 6 AU - Hallvard Lilleng AU - Svein Ivar Bekkelund Y1 - 2010/06/01 UR - http://www.cfp.ca/content/56/6/549.abstract N2 - ER -