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. 2013 Jan;34(1):41–45. doi: 10.3174/ajnr.A3282

Fig 7.

Fig 7.

Peak and average pressure differences (top-bottom) in the normal and Chiari I models at the 2 cycle rates. Average pressure difference is shown as the top of the blue region in the cone, and peak pressure difference, as the peak in the red portion of the cone.