Ezzatian-Ahar, S., Amin, F. M., Obaid, H. G., Arngrim, N., Hougaard, A., Larsson, H. B. W., & Ashina, M. (2014). Migraine without aura is not associated with incomplete circle of Willis: A case–control study using high-resolution magnetic resonance angiography. Springer.

Ezzatian-Ahar, Shabnam, Faisal Mohammad Amin, Hayder Ghani Obaid, Nanna Arngrim, Anders Hougaard, Henrik B W. Larsson, ja Messoud Ashina. Migraine Without Aura Is Not Associated With Incomplete Circle of Willis: A Case–control Study Using High-resolution Magnetic Resonance Angiography. Springer, 2014.

Ezzatian-Ahar, Shabnam, et al. Migraine Without Aura Is Not Associated With Incomplete Circle of Willis: A Case–control Study Using High-resolution Magnetic Resonance Angiography. Springer, 2014.