1. Katayama H, Hori H. The influence of UVB irradiation on the excretion of the main urinary metabolite of prostaglandin F1a and F2a in psoriatic and normal subjects. Acta Derm Vener (Stockh) 1984; 64: 1–4 2. Voorhees J, Duell E. Imbalanced cyclic AMP-cyclic GMP levels in psoriasis. Adv Cyc Nucl Res 1975; 5: 755–757 3. Robbins S, Cotran R. Pathological basis of disease. Philadelphia, PA: WB Saunders. 1979: p 1449 4. Proctor M, Wilkenson D, Orenberg E et al. Lowered cutaneous and urinary levels of polyamines with clinical improvement in treated psoriasis. Arch Dermatol 1979; 115: 945–949 5. Editorial. Polyamines and psoriasis. Arch Dermatol 1979; 115: 943–944 6. Editorial. Polyamines in psoriasis. J Invest Dermatol 1983; 81: 385–387 7. Haddox M, Frassir K, Russel D. Retinol inhibition of ornithine decarboxylase induction and G1 progression in CHD cells. Cancer Res 1979; 39: 4930–4938 8. Kuwano S, Yamauchi K. Effect of berberine on tyrosine decarboxylase activity of Streptococcus faecalis. Chem Pharm Bull 1960; 8: 491–496 9. Rosenberg E, Belew P. Microbial factors in psoriasis. Arch Dermatol 1982; 118: 1434–1444 10. Rao M, Field M. Enterotoxins and anti-oxidants. Biochem Soc Trans 1984; 12: 177–180 11. Juhlin L, Vahlquist C. The influence of treatment and fibrin microclot generation in psoriasis. Br J Dermatol 1983; 108: 33–37 12. Thurmon FM. The treatment of psoriasis with sarsaparilla compound. New Engl J Med 1942; 227: 128–133 13. Weber G, Galle K. The liver, a therapeutic target in dermatoses. Med Welt 1983; 34: 108–111 14. Monk BE, Neill SM. Alcohol consumption and psoriasis. Dermatologica 1986; 173: 57–60 15. Hikino H, Kiso Y, Wagner H et al. Antihepatotoxic actions of flavanolignans from Silybum marianum fruits. Planta Medica 1984; 50: 248–250 16. Adzet T. Polyphenolic compounds with biological and pharmacological activity. Herbs Spices Medicinal Plants 1986; 1: 167–184 17. Zlatkov NB, Ticholov JJ, Dourmishev AL. Free fatty acids in the blood serum of psoriatics. Acta Derm Vener (Stockh) 1984; 64: 22–25 18. Bittiner SB, Tucker WFG, Cartwright I et al. A double-blind, randomized, placebo-controlled trial of fish oil in psoriasis. Lancet 1988; i: 378–380 19. Grimmunger F, Mayser P, Papavassilis C. A double-blind, randomized, placebo-controlled trial of n-3 fatty acid based lipid infusion in acute, extended guttate psoriasis. Clin Invest 1993; 71:634–643 20. Maurice PDL, Allen BR, Barkley ASJ et al. The effects of dietary supplementation with fish oil in patients with psoriasis. Br J Dermatol 1987; 1117: 599–606 21. Editorial. Leukotrienes and other lipoxygenase products in the pathogenesis and therapy of psoriasis and other dermatoses. Arch Dermatol 1983; 119: 541–547 22. Kragballe K, Herlin MD. Benoxaphren improves psoriasis. Arch Dermatol 1983; 119: 548–552 23. Naldi L et al. Dietary factors and the risk of the risk of psoriasis. Results of an Italian case-controlled study. Br J Dermatol 1996; 134: 101–106 24. Lithell H, Bruce A, Gustafsson B et al. A fasting and vegetarian diet treatment trial on chronic inflammatory disorders. Acta Derm Vener (Stockh) 1983; 63: 397–403 25. Bazex A. Diet without gluten and psoriasis. Ann Derm Symp 1976; 103: 648 26. Douglass JM. Psoriasis and diet. Calif Med 1980; 133: 450 27. Majewski S et al. Decreased levels of vitamin A in serum of patients with psoriasis. Arch Dermatol Res 1989; 280: 499–501 28. Hinks LJ, Young S, Clayton B. Trace element status in eczema and psoriasis. Clin Exp Dermatol 1987; 12: 93–97 29. Donadini A, Dazzaglia A, Desirello G. Plasma levels of Zn, Cu and Ni in healthy controls and in psoriatic patients. Acta Vitamin Enzymol 1980; 1: 9–16 30. Fratino P, Pelfini C, Jucci A, Bellazi R. Glucose and insulin in psoriasis: the role of obesity and genetic history. Panminerva Medica 1979; 21: 167 31. Juhlin L, Bedquist L, Echman G et al. Blood glutathione-peroxide levels in skin diseases. Effect of selenium and vitamin E treatment. Acta Derm Vener (Stockh) 1982; 62: 211–214 32. Michaelsson G, Berne B, Calmark B. Selenium in whole blood and plasma is decreased in patients with moderate and severe psoriasis. Acta Derm Vener (Stockh) 1989; 69: 29–34 33. Morimoto S, Takamoto S, Onishi T et al. Therapeutic effect of 1,25–dihydroxyvitamin D3 for psoriasis. Report of five cases. Calcif Tissue Int 1986; 38: 119–122 34. Takamoto S, Onishi T, Morimoto S et al. Effect of 1-alpha-hydroxycholecalciferol on psoriasis vulgaris. A pilot study. Calcif Tissue Int 1986; 39: 360–364 35. Staberg B, Oxholm A, Klemp P, Christiansen C. Abnormal vitamin D metabolism in patients with psoriasis. Acta Derm Vener (Stockh) 1987; 67: 65–68 36. Nieboer C et al. Systemic therapy with fumaric acid derivates: new possibilities in the treatment of psoriasis. J Am Acad Dermatol 1989; 20: 601–608 37. Seville RH. Psoriasis and stress. Br J Dermatol 1977; 97: 297 38. Winchell SA, Watts RA. Relaxation therapies in the treatment of psoriasis and possible pathophysiologic mechanisms. J Am Acad Dermatol 1988; 18: 101–104 39. Parrish J. Phototherapy and photochemotherapy of skin diseases. J Incest Dermatol 1981; 77: 1: 167–171 40. Larko O, Swanbeck G. Is UVB treatment of psoriasis safe? Acta Derm Vener (Stockh) 1982; 62: 507–512 41. Boer J, Hermans J, Schothorst A, Suurmond D. Comparison of phototherapy (UV-B) and photochemotherapy (PUVA) for clearing and maintenance therapy of psoriasis. Arch Dermatol 1984; 120: 52–57 42. Urabe H, Nishitani K, Kohda H. Hyperthermia in the treatment of psoriasis. Arch Dermatol 1981; 117: 770–774 43. Orenberg E, Deneau D, Farber E. Response of chronic psoriatic plaques to localized heating induced by ultrasound. Arch Dermatol 1980; 116: 893–897 44. Evans FQ. The rational use of glycyrrhetinic acid in dermatology. Br J Clin Pract 1958; 12: 269–279 45. Teelucksingh S, Mackie AD, Burt D. Potentiation of hydrocortisone activity in skin by glycyrrhetinic acid. Lancet 1990; 335: 1060–1063 46. Mann C, Staba EJ. The chemistry, pharmacology, and commercial formulations of chamomile. Herbs, Spices, and Medicinal Plants 1984; 1: 235–280 47. Ellis CN, Berberian B, Sulica VI. A double-blind evaluation of topical capsaicin in pruritic psoriasis. J Am Acad Dermatol 1993; 29: 438–442 48. Bernstein JE, Parish LC, Rapaport M. Effects of topically applied capsaicin on moderate and severe psoriasis vulgaris. J Am Acad Dermatol 1986; 15: 504–507 49. Syed TA, Ahmad SA, Holt AH et al. Management of psoriasis with Aloe vera extract in a hydrophilic cream: a placebo-controlled, double-blind study. Trop Med Int Health 1996; 1: 05–509.509.