title: MORPHOLOGICAL PROBLEMS OF BRAIN TUMORS WITH MIXED CELL POPULATION.
mesh_terms: D001254:Astrocytoma; D001932:Brain Neoplasms; D002965:Classification; D005909:Glioblastoma; D005910:Glioma; D006801:Humans; D009369:Neoplasms / Q000175:diagnosis*; D009837:Oligodendroglioma; D010336:Pathology
keywords: ASTROCYTOMA; BRAIN NEOPLASMS; CLASSIFICATION; GLIOBLASTOMA MULTIFORME; GLIOMA; NEOPLASM DIAGNOSIS; OLIGODENDROGLIOMA; PATHOLOGY