ODM2 Variable Name Controlled Vocabulary ODM2 Working Group A vocabulary for describing the name of Variables. Ultraviolet Radiation Dose A measure of the ability of ultraviolet radiation, as a function of wavelength, to produce just perceptible erythema in human skin. Biota See http://support.bentham.co.uk/support/solutions/articles/5000619299-erythemal-radiant-exposure-and-uv-index