title: Multicellular spheroids as an in vitro model system for photoradiation therapy in the presence of Hpd.
mesh_terms: D000818:Animals; D001692:Biological Transport; D002470:Cell Survival / Q000187:drug effects / Q000528:radiation effects; D002478:Cells, Cultured / Q000378:metabolism; D004307:Dose-Response Relationship, Radiation; D017324:Hematoporphyrin Derivative; D006415:Hematoporphyrins / Q000378:metabolism / Q000627:therapeutic use*; D008027:Light; D008961:Models, Structural; D010778:Photochemotherapy / Q000379:methods*; D051381:Rats; D013057:Spectrum Analysis
chemical_list: D006415:Hematoporphyrins; D017324:Hematoporphyrin Derivative