1. Gibert CM. Traite Practique Des Maladies de la Peau et de la Syphilis, 3rd edn. Paris: H. plon, 1860: 402.

2. Percival GH. Pityriasis rosea. Br J Dermatol Syph 1932; 44: 241-253.

3. Shelley WB, Crissey JT. Classics in Clinical Dermatology with Biographical Sketches. Springfield, IL: Charles C. Thomas Publisher, 1953; 93.

4. Willan R. On Cutaneous Diseases: 1796-1808. London: J. Johnson. p. IX.

5. Pick E. Handbuch der Haut- und Geschlechtskrankheiten. Ed. J. Jadassohn. Berlin: Verlag von Julius Springer, 1928; 401-420.

6. Unna G. Histopathologie der Hautkrankheiten. Berlin: Verlag von Julius Springer 1894/

7. Hollman J. Zur Histopathologie der Pityriasis rosea Gibert. Arch F Dermatol U Syphilis 1900;51.

8. Elder DE, Elenitas R, Johnson BL, Murphy GF. Lever's Histopathology of the Skin (10th ed). Philadelphia: Lippincott 2005: 562.

9. Pinkus H, Meregan AH. A Guide to Dermatology, 3rd edition. New York: Appleton-Century-Crofts,1981: 152

10. Weedon D, Strutton G. In: Skin Pathology. 2nd ed. London: Churchill Livingstone. 2002.

11. Ackerman AB, Böer A, Bennin B, Gottlieb GJ. Histologic Diagnosis of Inflammatory Skin Diseases: An Algorithmic Method Based on Pattern Analysis. 3rd ed. New York: Ardor Scribendi Ltd. 2005.

12. Mckee PH, Calonje E, Granter S. Pathology of the Skin with Clinical Correlations. 3rd ed. Philadelphia: Elsevier 2005: 190-192.

13. Aiba S, Tagami H. Immunohistologic studies in pityriasis rosea. Evidence for cellular immune reaction in the lesional epidermis. Arch Dermatol 1985;121(6):761-5.   

14. Sugiura H, Miyauchi H, Uehara M. Evolutionary changes of immunohistological characteristics of secondary lesions in pityriasis rosea. Arch Dermatol Res 1988;280(7):405-10.   

15. Neoh CY, Tan AW, Mohamed K, Sun YJ, Tan SH. Characterization of the inflammatory cell infiltrate in herald patches and fully developed eruptions of pityriasis rosea. Clin Exp Dermatol. 2009 Jul 29. [Epub ahead of print]

16. Hussein MR, Abdel-Magid WM, Saleh R, Nada E. Phenotypical characteristics of the immune cells in allergic contact dermatitis, atopic dermatitis and pityriasis rosea. Pathol Oncol Res 2009;15(1):73-9.   

17. Zawar, V. Pityriasis rosea-like eruptions due to mustard oil application. Indian J Dermatol Venereol Leprol 2005;71 (4), 282-284.

18. Atzori L, C Ferreli, AL Pinna, N Astet.'Pityriasis rosea-like' adverse reaction to lisinopril. JEADV 2004;18, 736-748.

19. Sener E, ZN Saracoglu, SM Urer, K Bildirici, I Sabuncu.Purpuric pityriasis rosea. Int J Dermatol 2003;42, 138-140.

20. Motel PJ. Captopril and alopecia: a case report and review of known cutaneous reactions in captopril use. J Am Acad Dermatol 1990;23; 124-125.

21. Corke CF, Meyrick TR, Huskisson EC, Kirby JD. Pityriasis rosea-like rashes complicating drug therapy for rheumatoid arthritis. Br J Dermatol1983;22: 187-188.   

22. Helfman RJ, Brickman M, Fahey J.Isotretinoin dermatitis simulating acute pityriasis rosea. Arch Dermatol1990;126: 1500-1501.

23. Buckley C. Pityriasis rosea-like eruption in a patient receiving omeprazole. Br. J Dermatol1996;135: 660-661.   

24. Chuh, AT. Diagnostic criteria for PR: a prospective case control study for assessment of validity. JEADV 2003;17, 97-116.

25. Charissi C, GJ Gottlieb, AB Ackerman. Pityriasis rosea gigantea or pityriasis rosea concurrent with erythema annulare centrifugum. Dermatopathology: Practical & Conceptual 2001; 7(3): 270-273.

26. Okamato H, Imamura S, Aoshima T., Komura J, Ofuji S. Dyskeratotic degeneration of epidermal cells in pityriasis rosea: light and electron microscopic studies. Br J Dermatol 1982; 189-194.

27. Prasad D, Mittal RR, Walia RLS, Popli R. Pityriasis rosea: a histopathologic study.Indian J Dermatol Venereol Leprol 2000; 66: 244-246.

28. Nickoloff BJ, Bonish BK, Marble DJ, et al. . Lessons learned from psoriatic plaques concerning mechanisms of tissue repair, remodeling, and inflammation. J Investig Dermatol Symp Proc 2006;11(1):16-29.