@article{tella jr_herculano_prandini_stavale_aguiar_2003,  title={Malignant transformation of pleomorphic xanthoastrocytoma: case report},  volume={61},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X2003000100020},  DOI={10.1590/S0004-282X2003000100020},  number={1},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Tella Jr, Oswaldo Ignácio de and Herculano, Marco Antonio and Prandini, Mirto Nelso and Stavale, João Norberto and Aguiar, Paulo Henrique},  year={2003},  month={Mar},  pages={104–106} }