"hi dearfreinds.iam going to talk about serious side effect of uvr. there are 3types of uvr radiation.uvc 200.290nm wich absorb by ozon and atomospher and not reach the earth.uvb290.320nm this type reach the earth and affect the…"
Started this discussion. Last reply by dr.hisham Mar 13, 2012.
dr.hisham replied to dr.hisham's discussion ultra violet radation© 2013 Created by dermRounds Dermatology Network.