Expression of angiostatic platelet factor-4var/CXCL4L1 counterbalances angiogenic impulses of vascular endothelial growth factor, interleukin-8/CXCL8, and stromal cell-derived factor 1/CXCL12 in esophageal and colorectal cancer, Verbeke, H., De Hertogh G., Li S., Vandercappellen J., Noppen S., Schutyser E., El-Asrar A.A., Opdenakker G., Van Damme J., Geboes K., et al. , Hum.Pathol., 0/7/2010, Volume 41, Issue 7, Number 1001, p.990 - 1001, (2010)