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1. Bucky G. Grenz ray therapy. New York, NY: Macmillan Co; 1929.

2. Hollander MB. Ultrasoft X-rays. An Historical and Critical Review of the World Experience with Grenz Rays and   Other X~rays of Long Wave-length. Baltimore, Md: William & Wilkins; 1968.

3. Lindelöf B, Lidén S, Ros A-M. Effect of grenz rays on Langerhans' cells in human

epidermis. Acta Dermatol Venereol. 1984;64:436-438.

4. Lindelöf B, Forslind B. Electron microscopic observat ion of Langerhans. cells in human epidermis irradiated with grenz rays. Photodermatology. 1985; 2:367-371.

5. Lindelöf B. Lidén S, Lagerholm B. The effect of grenz rays on the expression of allergiccontact der- matitis in man. Scand J Immunol. 1985;21:463- 469.

6. Ek L. Lindelöf B. Liden S. The duration of grenz ray-induced suppression of allergic contact dermatitis and its correlation to the density of Langerhans. cells in human epidermis. Clin Exp Dermatol 1989.14:206-209.

7. Kalz F Observations on grenz ray reactions. Dermatologica. 1959;118:357-371.

8. Rowell N. Adverse effects of superficial x-ray therapy and recommendations for safe use in benign dermatoses. J Dermatol Surg Oncol. 1978;4:630-634.

9. Frentz G. Grenz ray-induced nonmelanoma skin cancer. J Am Acad Dermatol. 


10. Mortensen AC, Kjeldsen H. Carcinomas following grenz ray treatment of benign 

dermatoses. Acta Dermatol Venereol. 1987;67:523-525.

11. Lindelöf B, Eklund G. Incidence of malignant skin tumors in 14,140 patients after grenz ray treatment for benign skin disorders. Arch Dermatol. 1986; 122: 1391-1395.

12. Shapiro EM, Knox JM, Freeman RG. Carcinogenic effect of prolonged exposure to grenz ray J Invest Dermatol. 1961;291-298.

13. Zackheim HS, Kronbock E, Langs L. Cutaneous neoplasms in the rat produced by grenz ray and 80 kV x-ray. J Invest Dermatol. 1964;48:519-534.

14. Epstein JH. Carcinogenic and cocarcinogenic effects of grenz radiation. J Invest Dermatol. 1970; 54:439-440.

15. Wulf HC, Hou-Jensen K. Metastatic cancer in guinea-pigs irradiated with grenz rays. Arch Dermatol. 1979; 1 15: 176-178.

16. Bucky G, Combes FC. Grenz ray therapy. New York, NY: Springer-Verlag; 1954.

17. Arouete J. Grenz ray therapy. In: Sidi E, ed. Psoriasis. Springfield, I11: Charles C Thomas; 1968:243-257.

18. Frain-Bell W Bettley FR. Treatment of psoriasis and eczema with grenz rays. In: Yearbook of Dermatology. Chicago, 111: Year Book Medical Publishers;1960;61:103- 104.

19. Stewart WD. Eczema. In: Maddin S. ed. Current Medical Management. 2nd ed. St Louis, Mo: CV Mosby; 1975: 144-146.

20. Brodersen J, Reymann F. Effect of grenz rays on psoriasis treated with local corticosteroids. Dermatologica. 1981 ;162:327-329.

21. Wiskemann A. Röntgenbestrahlung von Dermatosen im Genitalbereich. Hautarzt. 1977;28:219-223.

22. Wiskemann A. Strahlenbehandlung der Psoriasis und Parapsoriasis. Z Hautkr. 1981;57: 1317-1324. 

23. Johannesson A, Lindelöf B. The effect ofgrenz rays on psoriasis lesions of the scalp. A double blind trial- Photodermatology. 1985;2:388-391.

24. Johannesson A, Lindelöf B. Aditional effect of grenz rays on psoriasis lesions of the scalp treated with topical corticosteroids. Dermatologica. 1987.175:290-292.

25. Lindelöf B. Johannesson A. Psoriasis of the scalp treated with grenz rays or topical corticosteroid combined with grenz rays. A comparative randomized trial. Br j Dermatol. 1988;119:241-244.

26. Lindelöf B. Psoriasis of the nails treated with grenz rays: a double blind bilateral trial. Acta Dermatol Venereol. 1989;69:80-82.

27. Lynne-Davies G. Lichen simplex chronicus. In: Maddin S, ed. Current Medical Management. 2nd ed. St Louis, Mo: CV Mosby; 1975:203.

28. Lindelöf B, Wrangsjö K, Lidén S. A double-blind study of grenz ray therapy in chronic eczema of the hands. Br J Dermatol. 1987; 1 17:77-80.

29. Kopp H, Reymann FE. Lichen planus treated with grenz rays.Acta Dermatol Venereol. 1956;36:477-481. 

30. Brodkin RH, Bleiberg J. Grenz rays and lichen planus: case report of isomorphic phenomenon following grenz-ray therapy. Arch Dermatol. 1965;91 :149-150.

31. Wiskemann A. Dyskeratosis follicularis Darier. Dermatol Monatsschr. 1969; 55:200-202.

32. Cipo1laro V Shaps R. The treatment of Darier's dis-ease: a comparison ofsuperficial x-ray and grenz ray therapy. lnt J Dermatol. 1979; 18:580-583.

33. Lindelöf B. Histiocytosis X in an adult: treatment of skin lesions with grenz rays. J Am Acad Dermatol. 1988;19:426-427.

34. Wulf HC, Brodthagen H. Transmission of Bucky (grenz) rays through human scalp hair. Acta Der-matol Venereol. 1977;57:525-527.1.

35. Lindelöf B, Karlberg J. Lyckefält S, Gerhardsson A. Grenz ray therapy. practical aspects of protecting office personnel from radiation. Photodermatology. 1988;5:248-251.

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