The effect of head movement on CT perfusion summary maps: simulations with CT hybrid phantom data. - Fahmi Fahmi; A. Riordan; Ludo F. M. Beenen; Geert J. Streekstra; N. Y. Janssen; H. W. de Jong; Charles B. L. M. Majoie; Ed van Bavel; Henk A. Marquering (Medical Biol. Eng. Comput., 2014)