how can we make the MED(minimal erythema dose)
Before using the UVB therapy to treat vitiligo, we have to make the MED test and get the MED Value or MPD value in advance. If the skin type is VI type---black, how we can we recognize the slight erythema ?
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Please, support the petition to designate June 25 as Vitiligo World Day and save millions of people worldwide from social isolation and persecution. It would be appreciated if you could give every member of your family or group an opportunity for signing. http://www.25june.org/