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. 2013 Oct 15;8(10):e77340. doi: 10.1371/journal.pone.0077340

Figure 2. Histograms showing frequency of transporter expression per subject.

Figure 2

Red bars, number of gene isoforms; blue bars, percentage of gene isoforms. Probes tend to be expressed in either all samples or no samples, and 50% of probes are expressed in all of the samples.