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. 2003 Jan 7;138(1):261–271. doi: 10.1038/sj.bjp.0705028

Figure 1.

Figure 1

Maximum contraction response to NA and SPC relative to the first NA effect within the same preparation (n=83 vessels each). The linear regression slopes were 1.02±0.04 and 0.61±0.10, respectively, and the r2 was 0.87 and 0.31, respectively, yielding P-values of <0.0001 in both cases.