Annette (and fellow Histonetters):
Biocare Medical offers a prediluted polyclonal Ab to H. pylori that's 
prediluted especially for Ventana stainers.  According to the latest catalog, its 
$152.00 for a 50-test (5ml) vial, or $278.00 for two (2) 5 ml vials.
I hope this info is helpful...
J.D. Myers
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