title: Drug and light dose dependence of photodynamic therapy: a study of tumor cell clonogenicity and histologic changes.
mesh_terms: D000818:Animals; D000970:Antineoplastic Agents / Q000627:therapeutic use*; D002460:Cell Line; D002999:Clone Cells; D005354:Fibrosarcoma / Q000188:drug therapy*; D017324:Hematoporphyrin Derivative; D006415:Hematoporphyrins / Q000627:therapeutic use*; D051379:Mice; D008809:Mice, Inbred C3H; D009381:Neoplasms, Radiation-Induced / Q000188:drug therapy*; D010778:Photochemotherapy; D012513:Sarcoma, Experimental / Q000188:drug therapy*
chemical_list: D000970:Antineoplastic Agents; D006415:Hematoporphyrins; D017324:Hematoporphyrin Derivative