Fiermonte G1, Pierelli F, Pauri F, Cosentino FI, Soccorsi R, Giacomini P. Cerebrovascular CO2 reactivity in migraine with aura and without aura. A transcranial Doppler study; Zwetsloot CP1, Caekebeke JF, Odink J, Ferrari MD. Vascular reactivity during migraine attacks: a transcranial Doppler study. Headache. 1991 Oct; 31(9): 593—5.
