For many years now (more than I care to mention), we have had most success 
using Palmgren's silver technique. I believe it is in Bancroft & Stevens, 
but if you need the method let me know.
Best wishes


Ronnie Houston
Cytochemistry & Molecular Pathology
Texas Scottish Rite Hospital for Children
2222 Welborn Street
Dallas, TX 75219
(214) 559 7744
(214) 559 7768 - fax
rhouston@tsrh.org

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