Acid Fast Bacteria (AFB)Tissue: Positive staining animal organ and negative staining human lung. Fixation: Formalin 10%, Phosphate Buffered. Section Glass: Paraffin sections cut at 4 microns on Superfrost Plus slides. Quality Control Stain: AFB, Ziehl Neelsen quality control stained slide(s) included. Reactivity: Guaranteed product specific reactivity for one year from date of receipt. Revalidate after one year to verify continued reactivity. Storage: 15 30C in a light
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