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. Author manuscript; available in PMC: 2010 Feb 9.
Published in final edited form as: Invest Radiol. 2001 Mar;36(3):178. doi: 10.1097/00004424-200103000-00007

Figure 4.

Figure 4

The study shown is the same as in Figure 3A but without the outlying study. The correlation coefficient for unscaled washin improved to r = 0.89. See text in the Discussion section for details.