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. 1999 Mar 16;96(6):2907–2912. doi: 10.1073/pnas.96.6.2907

Figure 3.

Figure 3

HL-60 SOM. HL-60 cells were treated with PMA for 0, 0.5, 4, or 24 hours, and expression levels of more than 6,000 genes were measured at each time point. The 567 genes passing the variation filter were grouped by a 4 × 3 SOM.