Does anyone use a CD56 with the Dako Envision Dual Link on FFPE human tissue? If so who are you purchasing it from? Cheers, Karen Heckford HT (ASCP) CE Lead Histology Technician Histology/Pathology Department St. Mary's Medical Center 450 Stanyan St. San Francisco, Ca. 94117 415-668-1000 ext. 6167 Fax: 415-750-8123 email: kheckfor <@t> chw.edu