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/
