title: Angiogenesis in brain tumors: a quantitative histologic study.
mesh_terms: D001254:Astrocytoma / Q000503:physiopathology*; D001932:Brain Neoplasms / Q000503:physiopathology*; D002471:Cell Transformation, Neoplastic; D004847:Epithelial Cells; D006801:Humans; D008938:Mitosis