I section fish  on a regular basis and use the JB4 kit from Polysciences.  I have experienced good results at 1-2 microns and stained with a PAS stain using metanil yellow as a counter stain. Feel free to email me any questions. 


Helen F. Wimer
Wimer.Helen@NMNH.SI.EDU
Smithsonian Institution MSC
NW Washington , DC  20560
(301) 238-3786

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