Now that our finite stock of home-brew PML antibody is diminishing, we would appreciate it if others would share their opinion on their favored vendor for this antibody. We are running our cases on the Ventana line of automated stainers... Thank you! Sally Ann Drew, MT(ASCP) IHC/ISH Laboratory University of Wisconsin Hosp. & Clinics Madison, WI 53792 (608)265-6596