1. Lehmann S V et al. “Characterization and chemistry of imidazolidinyl urea and diazolidinyl urea”. Contact Dermatitis 2006: 54: 50-58.
2. Mortz C G et al. ”Contact Allergy and Allergic Contact Dermatitis in Adolescents: Prevalence Measures and Associations”. Acta Derm Venereol 2002: 82: 352-58.
3. Nielsen N H et al. “The association between contact allergy and hand eczema in 2 cross-sectional surveys 8 years apart”. Contact Dermatitis 2002: 46: 71-77.
4. Brasch J et al. “Patch Testing of Nickel Sulfate and Potassium Dichromate with a Standardized Ready-to-use Test System Gives Highly Reproducible Results: A double-blind Multicentre Study”. Acta Derm venereol 2001: 81: 122-24.
5. Fowler J F, Finley B. “Quantity of Allergen Per Unit Area Is More Important Than Concentration for Effective Patch Testing”. Am J Contact Dermatitis 1995: 6: 157-59.
6. Andersen K E et al. “Dose-response testing with nickel sulphate using the TRUE test^® in nickel-sensitive individuals. Multiple nickel sulphate patch-test reactions do not cause an ”angry back””. Br J Dermatol 1993: 129: 50-56.
7. Tanglertsampan C, Maibach H I. “The role of vehicles in diagnostic patch testing”. Contact Dermatitis 1993: 29: 169-74.
8. Fischer T et al. “The Science of Patch Test Standardization”. In: Maibach H I (Ed): Immunology and allergy clinics of North America (Urticaria and the Exogenous Dermatoses). W. B. Saunders Company 1989: 9: 417-33.
9. Kreilgård B, Hansen J, Fischer T. „Chemical, pharmaceutical and clinical standardization of the TRUE Test™ caine mix”. Contact Dermatitis 1989: 21: 23-27.
10. Kreilgård B, Hansen J. “Aspects of pharmaceutical and chemical standardization of patch test materials”. J Am Acad Dermatol 1989: 21: 836-38
11. Fischer T I, Maibach H I. “The thin layer rapid use epicutaneous test (TRUE-test), a new patch test method with high accuracy”. Br J Dermatol 1985: 112: 63-68.

Main subject: Clinical studies

12. Bruynzeel D P et al. “Monitoring the European Standard Series in 10 centres 1996- 2000”. Contact Dermatitis 2005: 53: 146-52.
13. Jensen C D, Andersen K E “Course of contact allergy in consecutive eczema patients patch tested with TRUE Test™ panels 1 and 2 at least twice over a 12-year period” Contact Dermatitis 2005: 52: 242-46.
14. Agner T et al. “Standardization of the TRUE Test imidazolidinyl urea and diazolidinyl urea patches”. Contact Dermatitis 2001: 45: 21-25.
15. Fischer T et al. “Clinical standardization of the TRUE Test™ formaldehyde patch”. In: Surber C, Elsner P, Bircher A J (eds): Exogenous Dermatology. Curr Prob Dermatol. Basel, Karger, 1995: 22: 24-30.
16. Wilkinson J D et al. “European multicenter study of TRUE Test^TM, Panel 2”. Contact Dermatitis 1990: 22: 218-25.
17. Stenberg B et al. “ Swedish Multicenter Study with TRUE Test, Panel 2”. In: Frosch PJ et al. (eds): Current topics in Contact Dermatitis. Springer-Verlag, 1989: 518-19.
18. Gollhausen R, Przybilla B, Ring J. “Reproducibility of patch test results: Comparison of TRUE Test and Finn Chamber test”. In: Frosch PJ et al. (eds). Current topics in Contact Dermatitis. Springer-Verlag, 1989: 524-29.
19. Ruhnek-Forsbeck M et al. “Comparative Multi-center study with TRUE Test™ and Finn Chamber^® Patch test Methods in Eight Swedish Hospitals”. Acta Derm Venereol 1988: 68: 123-28.
20. Lachapelle J-M et al. “European multicenter study of the TRUE Test™”. Contact Dermatitis 1988: 19: 91-97.

Main subject: Patch testing in general

21. Militello G et al. “The Utility of the TRUE Test in a Private Practice Setting”. Dermatitis 2006: 17: 77-84.
22. Bruze M et al. “Recommendation to include methyldibromo glutaronitrile in the European standard patch test series”. Contact Dermatitis 2005: 52: 24-28.
23. Hoeck U. “More T.R.U.E Test allergens are needed”. J Am Acad Dermatol 2005: 52: 538.
24. Pratt M D et al. “North American Contact Dermatitis Group Patch-Test Results, 2001-2002 Study Period”. Dermatitis 2004: 15: 176-83.
25. Warshaw W M, Moore J B, Nelson D. “Patch-Testing Practices of American Contact Dermatitis Society Members A cross-sectional survey.” Am J Contact Dermatitis 2003: 14: 5-11.
26. Saripalli Y V, Achen F, Belsito D V. “The detection of clinically relevant contact allergens using a standard tray of twenty-three allergens”. J Am Acad Dermatol 2003: 49: 65-69.
27. Brod B et al. “To patch test or not to patch test: What is your threshold for patch testing?” Am J Contact Dermatitis 1999 10: 94-97.
28. Prue C et al. “Postmarketing survey results of T.R.U.E. Test, a new allergen patch test”. Am J Contact Dermatitis 1998: 9: 6-10.
29. Rietschel RL. “Is Patch-Testing Cost-Effective”. Am J Contact Dermatitis 1989: 21: 885-87.

Review articles

30. Uter W et al. “Clinical update on contact allergy”. Curr Opin Allergy Clin Immunol 2005: 5: 429-36
31. Krob H A et al. "Prevalence and relevance or contact dermatitis allergens: A metaanalysis of 15 years published T.R.U.E. Test data." J Am Acad Dermatol 2004: 51: 349-53.
32. Belsito D V. “Patch testing with a standard allergen (“screening”) tray: rewards and risks”. Dermatol Ther. 2004: 17: 231-39.
33. Fischer T, Kreilgård B, Maibach H. “The True Value of the TRUE Test for Allergic Contact Dermatitis”. Current allergy and asthma reports 2001: 1: 316-22.