Expression of von Willebrand factor, an
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Lucia Zanetta; Stuart G. Marcus; Julie Vasile; Michael Dobryansky; Henry Cohen;
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Article
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2000
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John Wiley and Sons
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French
โ 230 KB
von Willebrand factor (vWF), a glycoprotein produced uniquely by endothelial cells and megakaryocytes, is routinely used to identify vessels in tissue sections. Vessel density in tumor specimens, as determined by immuno-histochemical staining for vWF or other endothelial cell markers, is a negative