In the Review Article, “The Ever-Elusive Endothelial Progenitor Cell: Identities, Functions and Clinical Implications,” by Chad L. Barber and M. Luisa Iruela-Arispe, appearing in Pediatric Research 2006; 59(Pt2):26R–32R), several of the references cited in Table 1 were in error. The author regrets this error.

Table 1 Summary of in vivo studies on EPCs, markers, and results