Polymorphic light eruptions:  relation to ultraviolet light intensity and hours of sunshine.
D003872:Dermatitis / Q000209:etiology*; D003877:Dermatitis, Contact; D006801:Humans; D008027:Light; D013472:Sunlight / Q000009:adverse effects*; D014466:Ultraviolet Rays / Q000009:adverse effects*
DERMATITIS/etiology and pathogenesis; SUNLIGHT/injurious effects; ULTRAVIOLET RAYS/injurious effects