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Logallo, Nicola, Annette Fromm, Ulrike Waje-Andreassen, Lars Thomassen, and Knut Matre. Effect of Microbubble Contrast On Intracranial Blood Flow Velocity Assessed By Transcranial Doppler. Springer International Publishing, 2014.

Logallo, Nicola, et al. Effect of Microbubble Contrast On Intracranial Blood Flow Velocity Assessed By Transcranial Doppler. Springer International Publishing, 2014.