BMC Cancer 2006, 6:10 http://www.biomedcentral.com/1471-2407/6/10 a c e b d f IFmigmuurneo1histochemical staining of oral squamous cell carcinoma with cytokeratin cytokeratin antibodies Immunohistochemical staining of oral squamous cell carcinoma with cytokeratin cytokeratin antibodies. a) cytokeratin 5/6 Anti- body (magnification 20×) b) cytokeratin 19 antibody (magnification 20×) c) cytokeratin 8/18 antibody (Magnification 10×) d) cytokeratin 8/18 antibody (magnification 20×) e) cytokeratin 14 antibody (magnification 20×) d) cytokeratin 14 antibody (mag- nification 20×). Page 4 of 8 (page number not for citation purposes)