Time factors of erythema and pigmentation, produced by ultraviolet rays of different wavelengths.
D004890:Erythema; D006801:Humans; D010858:Pigmentation; D012867:Skin / Q000528:radiation effects*; D013997:Time Factors; D014466:Ultraviolet Rays
PIGMENTATION; SKIN/effect of radiations on; ULTRAVIOLET RAYS/effects