Intracranial and intraspinal astrocytomas in children.
D000328:Adult; D001254:Astrocytoma / Q000453:epidemiology*; D001932:Brain Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D013120:Spinal Cord Neoplasms / Q000453:epidemiology*