Posted by DaveH (126.96.36.199) on May 14, 2001 at 11:37:39:
I do not mean to sound like a total idiot but I have had my focus on clusters and migraines since I started here. I have seen the letters H.A. several times can someone please fill me in on what this stands for.
I know it is out there on the page somewhere and I will find it sooner or later. I just need to know what it stands for I will read up on it later on after I get my feet planted more squarely on the ground with the CH issues.
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