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Request up to SEVENTY-FIVE (Yes, 75!) FREE Tuberculin Skin Test Rulers from the CDC.
This straight-edge ruler is used to measure the induration of an individual’s reaction to the tuberculin skin test. The white ruler provides tips on how to read the test and a space for local contact information to be inscribed with a permanent marker.
These Mantoux Tuberculin Skin Testing Rulers can be used multiple times.
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