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. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Magn Reson Imaging Clin N Am. 2009 May;17(2):315–338. doi: 10.1016/j.mric.2009.01.008

Figure 4.

Figure 4

Graph of Age versus Mean Grey Matter Perfusion for 959 normal patients imaged with PASL. Perfusion values peak in the 5-15 year range and then quickly decrease to age 30 after which a slow progressive decline is observed.