title: An action spectrum for blue and near ultraviolet inactivation of Propionibacterium acnes; with emphasis on a possible porphyrin photosensitization.
mesh_terms: D008027:Light; D011166:Porphyrins / Q000494:pharmacology / Q000528:radiation effects; D011425:Propionibacterium acnes / Q000187:drug effects / Q000254:growth & development / Q000528:radiation effects*; D014466:Ultraviolet Rays
chemical_list: D011166:Porphyrins