PRAMEProduct specific reactivity is guaranteed for one year from date of receipt when stored properly at 60 80F in a humidity controlled and light deprived environment. Please revalidate after one year to verify continued reactivity. All control slides are on Statlab K5+ hybrid slides using Formalin Fixed Paraffin Embedded (FFPE) human tissue. All controls are cut in serial sections at 4 microns. Standard tissue placement is mid high on slide to facilitate