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. Author manuscript; available in PMC: 2009 Jan 1.
Published in final edited form as: Pulm Pharmacol Ther. 2007 Feb 12;21(1):112–114. doi: 10.1016/j.pupt.2007.01.003

Figure 1.

Figure 1

Platelet-free plasma serotonin levels for IPAH, APAH, and controls: median (line) and interquartile range (box). Whiskers are 1.5x the interquartile range. Filled circles are outliers.