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Article
April 17, 1948

EXPERIMENTAL PRODUCTION OF CANCER OF THE SKIN BY ULTRAVIOLET RADIATION: Its Implications in the Use of Sunlamps

Author Affiliations

Washington, D. C.

JAMA. 1948;136(16):1040-1043. doi:10.1001/jama.1948.72890330002009
Abstract

Some fifteen years ago when the Council on Physical Medicine first undertook the formulation of specifications for accepting so-called sunlamps, qualitative experimental data were available to indicate the possibility of producing cancer on the ears of mice by excessive, often repeated doses of ultraviolet radiation. It was also known qualitatively that relatively small doses of ultraviolet radiation of wavelengths shorter than 2,800 angstrom units produce keratitis and conjunctivitis.

The sunlamps which were then on the market ranged from nondescript products to hot quartz mercury arc lamps which are suitable only for professional use. Hence, after consultation with recognized authorities regarding the potential hazard of initiating cancer of the skin and the unquestionable hazard of causing conjunctivitis, and also with the Food and Drug Administration on what constitutes misbranding, standards for the acceptance of sunlamps1 were promulgated.

In recent times quantitative data have been published on the spectral quality and

References
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This is an abbreviation for the cumbersome "erg seconds per square centimeter."
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Coblentz, W.W.:  Sources of Ultraviolet and Infrared Radiation Used in Therapy ,  J.A.M.A. 132:378-387 ( (Oct. 19) ) 1946.Crossref
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Knudson, A.:  Rickets: Comparative Value of Several Light Sources for the Cure and Prevention ,  Am. J. Dis. Child. 44:531-541 ( (Sept.) ) 1932.
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Verhoeff, F. H., and Bell, L.:  The Pathological Effects of Radiant Energy on the Eye ,  Proc. Am. Acad. Arts & Sc. 51:630-793 ( (July) ) 1916.
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Cogan, D. G., and Kinsey, V. E.:  Action Spectrum of Keratitis Produced by Ultraviolet Radiation ,  Arch. Ophth. 35:670-677 ( (June) ) 1946.
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Coblentz, W. W.:  The Physical Aspects of Ultraviolet Radiation in Vitamin-D Therapy , in  The Vitamins , Chicago, American Medical Association, 1939, pp. 541-554
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Such lamps, in quartz, generate an objectionable amount of ozone.1
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Blum, H. F.:  Photodynamic Action and Diseases Caused by Light , New York, Reinhold Publishing Corporation, 1941, p. 254.
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