Wharton JR, Cockerell CJ.
The sun: a friend and enemy.
Clin Dermatol. 1998 Jul-Aug;16(4):415-9.

Snellman E, Maljanen T, Aromaa A, Reunanen A, Jyrkinen-Pakkasvirta T, Luoma J.
Effect of heliotherapy on the cost of psoriasis.
Br J Dermatol. 1998 Feb;138(2):288-92.

Horio T.
Skin disorders that improve by exposure to sunlight.
Clin Dermatol. 1998 Jan-Feb;16(1):59-65.

Holubar K, Schmidt C.
Historical, anthropological, and biological aspects of sun and the skin.
Clin Dermatol. 1998 Jan-Feb;16(1):19-22.

Hobday RA.
Sunlight therapy and solar architecture.
Med Hist. 1997 Oct;41(4):455-72.

Alora MB, Fitzpatrick TB, Taylor CR.
Total body heliotherapy.
Photodermatol Photoimmunol Photomed. 1997 Oct-Dec;13(5-6):178-80.

Juhlin L, Olsson MJ.
Improvement of vitiligo after oral treatment with vitamin B12 and folic acid and the importance of sun exposure.
Acta Derm Venereol. 1997 Nov;77(6):460-2.

Kushelevsky AP, Kudish AI.
Intercomparison of global, ultraviolet B and A radiation measurements in the Dead Sea region (Ein Bokek) and Beer Sheva.
Isr J Med Sci. 1996 Jul;32 Suppl:S24-7

Kokelj F, Lavaroni G, Perkan V, Plozzer C.
Hyperpigmentation due to calcipotriol (MC 903) plus heliotherapy in psoriatic patients. Three case reports.
Acta Derm Venereol. 1995 Jul;75(4):307-9.

Snellman E, Aromaa A, Jansen CT, Lauharanta J, Reunanen A, Jyrkinen-Pakkasvirta T, Luoma J, Waal J.
Supervised four-week heliotherapy alleviates the long-term course of psoriasis.
Acta Derm Venereol. 1993 Oct;73(5):388-92

Kevan SM.
Quests for cures: a history of tourism for climate and health.
Int J Biometeorol. 1993 Sep;37(3):113-24.

Snellman E, Lauharanta J, Reunanen A, Jansen CT, Jyrkinen-Pakkasvirta T, Kallio M, Luoma J, Aromaa A, Waal J.
Effect of heliotherapy on skin and joint symptoms in psoriasis: a 6-month follow-up study.
Br J Dermatol. 1993 Feb;128(2):172-7.

Deeg HJ, Sieber F, Porcellini A.
Introduction: photomedicine--to use the power of light.
Semin Hematol. 1992 Apr;29(2):77-8.

Snellman E.
Comparison of the antipsoriatic efficacy of heliotherapy and ultraviolet B: a cross-over study.
Photodermatol Photoimmunol Photomed. 1992 Apr;9(2):83-5.

Snellman E, Jansen CT, Lauharanta J, Kolari P.
Solar ultraviolet (UV) radiation and UV doses received by patients during four-week climate therapy periods in the Canary Islands.
Photodermatol Photoimmunol Photomed. 1992 Feb;9(1):40-3.

Snellman E, Koulu L, Pasanen P, Lammintausta K, Neuvonen K, Ayras P, Jansen CT.
Effect of psoriasis heliotherapy on epidermal urocanic acid isomer concentrations.
Acta Derm Venereol. 1992;72(3):231-3.

Bloch H.
Solartheology, heliotherapy, phototherapy, and biologic effects: a historical overview.
J Natl Med Assoc. 1990 Jul;82(7):517-21.

Schewach-Millet M, Feinstein A, Trau H, Abel EA, Cox AJ.
Histologic studies in psoriatic patients treated at the Dead Sea: comparison with photochemotherapy.
J Am Acad Dermatol. 1989 Mar;20(3):502-3.

Kushelevsky AP, Slifkin MA.
Ultraviolet measurements at the Dead Sea and at Beersheba.
Isr J Med Sci. 1975 May;11(5):488-90.