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. Author manuscript; available in PMC: 2011 Oct 1.
Published in final edited form as: J Pain Symptom Manage. 2010 Jun 8;40(4):531–544. doi: 10.1016/j.jpainsymman.2009.12.006

Figure 1.

Figure 1

Differences in mean evening (A) and morning fatigue scores (B) and sleep disturbance scores (C) between common allele homozygotes (AA) compared to minor allele carriers (AT/TT) for the interleukin 6 c.-6101 A>T polymorphism. All values are plotted as means ± standard deviations.