[Histonet] Pneumocystis controls

[Jennifer Johnson]

I use Histology Control Systems, Inc for Pneumocystis controls.  1-800-253-2768 or www.HistologyControlSystems.com
 
Also, thanks to everyone who gave me advice on the Bielschowsky stain.  One drop of concentrated Hydrochloric acid did NOT yield a positive result.  You really do need the ONE drop of concentrated Nitric Acid for the stain to work properly.
 
Jennifer Johnson, HTL (ASCP)
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