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2. Tumors of the Central Nervous System;Kernohan,1952
3. Recurrence of gliomas. A comparative clinical and morphological study with a note on the histological grading of astrocytomas;Gullotta,1971
4. Supratentorial recurrences of gliomas. Morphological studies in relation to time intervals with astrocytomas;Muller;Acta Neurochir,1977
5. Supratentorial astrocytomas;Brem,1985