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. Author manuscript; available in PMC: 2013 Jul 22.
Published in final edited form as: Genet Epidemiol. 2011 Feb;35(2):93–101. doi: 10.1002/gepi.20560

Fig. 1.

Fig. 1

Non-Hispanic white subjects are shown in black, African American subjects are shown in red. First four principal components explain 62% of the variance in gene expression across the CAMP samples. CAMP, Childhood Asthma Management Program.