Measurements have been made of the anatomical distribution of ultraviolet radiation resulting from the irradiation of an inanimate manikin in a PUVA 6000 unit and a PUVA 4000 unit. The dosimeter used was phenothiazine film. The results indicated a very similar pattern of relative UV dose on the surface of the manikin from both units.
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Diffey et al. (1978) studied this question.
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