Schreiber, S., Gottschalk, S., Weih, M., Villringer, A., & Valdueza, J. M. (2000).
Assessment of blood flow velocity and diameter of the middle cerebral artery during the acetazolamide provocation test by
use of transcranial Doppler sonography and MR imaging. American Journal of Neuroradiology,
21, 1207-1211.