T.R.U.E. Test
- Product information (Thin-layer Rapid Use Epicutaneous Test) from Glaxo Wellcome, in Portable Document Format (PDF).
- http://www.glaxowellcome.com/pi/truetest.pdf

TRUE TEST
- Designed for healthcare professionals, this site contains information on T.R.U.E. TEST and skin allergies.
- http://www.truetest.com/