title: Cytotoxicity of human brain tumors by hematoporphyrin derivative.
mesh_terms: D001254:Astrocytoma / Q000188:drug therapy; D001932:Brain Neoplasms / Q000188:drug therapy*; D002478:Cells, Cultured; D004305:Dose-Response Relationship, Drug; D005910:Glioma / Q000188:drug therapy; D006414:Hematoporphyrin Photoradiation; D006801:Humans; D008579:Meningioma / Q000188:drug therapy; D010778:Photochemotherapy