I use the Clinistix because to me there was a more drastic change in the colors. There's only 3 color variations and it goes from pink to purple..not green to a little darker green in the first color change.
Saving Lives With Antibody Titer Tests
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Saving Lives With Antibody Titer Tests http://www.maddiesfund.org/Resource_Library/Saving_Lives_With_Antibody_Titer_Tests.html w/Dr. Ronald Schultz. Free webcast Thursday, September 8, 2011, at 9 PM Eastern/8 PM Central/7 PM Mountain/6 PM Pacific.
