Hello, would anyone be willing to donate a recently expired, about to be tossed, vial of pan cytokeratin for a research project? I will pay shipping. Thank you, Paula Keene Pierce, BS, HTL(ASCP)HTPresidentExcalibur Pathology, Inc.5830 N Blue Lake DriveNorman, OK 73069PH 405-759-3953FAX 405-759-7513www.excaliburpathology.com