[Histonet] AFB control

Stephanie Hoyle-Thacker srhthacker <@t> hotmail.com
Fri Feb 10 12:52:19 CST 2012

Is anyone using a negative control for AFB stains?  If so is there a regulation that states negative controls should be run for AFB stains.  I seem to recall seeing such a regulation but cannot find it.
Thanks for your help!
Renee Thacker 		 	   		  

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