Additional file 3: Figure S3.

Staining for P63 was used to determine changes in basal cells in E15.5 Sox9Δ/Δ trachea compared with Sox9fl/fl trachea. (A-C) Number of P63-positive cells in the tracheal epithelium was not affected by Sox9 deletion at embryonic day (E) 15.5.

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Turcatel et al. BMC Biology 2013 11:117   doi:10.1186/1741-7007-11-117