KIT STABILITY: All reagents in the Simmler Fetal Cell Stain Kits are stable when stored at room temperature for the expiration period stamped on the labels and boxes. Each Simmler Fetal Cell Stain Kit reagent is also available separately from the kits. NOTE: Do not refrigerate and Do not incubate The number of slides which may be processed per kit will vary with the frequency of testing and the number of tests per set-up.  It is recommended that a control smear be prepared and processed with each set-up to serve as an indication of acceptable stain performance. Simmler, Inc. P.O. Box 350 4564 North Square Dr. High Ridge, MO. 63049 636-376-8347 800-325-0786 Fax: 636-376-8324