This came up a while ago but I must have missed any answers. Does anyone know of an anti rat cd34 that works on ffpe rat tissue? Thanks, Patsy Patsy Ruegg, HT(ASCP)QIHC IHCtech, LLC 12635 Montview Blvd. Ste.215 Aurora, Colorado 80045 Phone: 720-859-4060 Fax: 720-859-4110 pruegg <@t> ihctech.net www.ihctech.net www.ihcrg.org