The analysis of the ultraviolet radiation doses required to produce erythemal responses in normal skin.


When the abnormality of a skin response to sunlight is expressed in terms of a decreased minimum erythemal dose (MED) on photo-testing, it is essential to know the range of response in normal skin. In any homogeneous population, the statistical distribution of the MED is skewed and is not Gaussian (normal), but a Gaussian distribution can be fitted to the… (More)


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