title: Perinuclear halo formation as an indication of phototoxic effects.
mesh_terms: D005347:Fibroblasts / Q000187:drug effects / Q000528:radiation effects*; D006801:Humans; D010787:Photosensitivity Disorders / Q000175:diagnosis; D013482:Superoxide Dismutase / Q000494:pharmacology; D014466:Ultraviolet Rays / Q000009:adverse effects*
chemical_list: D013482:Superoxide Dismutase