what I had to do was get a fresh tonsil and use that. My understanding
is that companies do not want the liabilty of the controls not working.
Too much can go wrong during shipping, etc.
----- Original Message -----
From: CHRISTIE GOWAN
Date: Tuesday, March 27, 2007 9:18 am
Subject: [Histonet] Positive IF controls
> Does anyone know of a company that supplies positive
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