Rather than use a combination fixative and decalcifier (Formalin with EDTA) 
fix the biopsy THEN do the decalcification.  Remember that EDTA will 
chelate metal ions, may not be so good with zinc!??

At 03:52 PM 7/17/2004, you wrote:
>Alex,
>Try using zinc formalin in place of your NBF with the EDTA, it should
>improve your H&E morphology.
>Patsy


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