title: Skin porphyrin and UV-A irradiation.
mesh_terms: D000818:Animals; D005260:Female; D010787:Photosensitivity Disorders / Q000378:metabolism*; D011164:Porphyrias / Q000378:metabolism*; D011166:Porphyrins / Q000032:analysis* / Q000652:urine; D051381:Rats; D012867:Skin / Q000032:analysis* / Q000528:radiation effects; D014466:Ultraviolet Rays
chemical_list: D011166:Porphyrins