Action spectroscopy of the skin in porphyria.
D006801:Humans; D010777:Photochemistry; D010787:Photosensitivity Disorders / Q000175:diagnosis; D011164:Porphyrias / Q000175:diagnosis*; D012867:Skin / Q000032:analysis; D012871:Skin Diseases / Q000175:diagnosis*; D013057:Spectrum Analysis