1. Allan, R. A., Latta, H., Straatsma, B. R.: Retinoblastoma. A study of two cases by electron microscopy. Invest. Ophthal.1, 728?744 (1962).
2. Bailey, P., Cushing, H.: Medulloblastoma cerebelli. A common type of midcerebellar glioma of childhood. Arch. Neurol. Psychiat. (Chic.)14, 192?223 (1925).
3. Beltran, G., Leiderman, E., Stuckey, W. J., Ferrans, V. J., Mogabgab, W. J.: Metastatic ganglioneuroblastoma. Ultrastructural, histochemical, and virological studies in a case. Cancer24, 552?559 (1969).
4. Blackbourne, B. D., Waggener, J. D.: Ultrastructure of a primary cerebral reticuloendothelial sarcoma (microgliomatosis). J. Neuropath. exp. Neurol.26, 141 (1967).
5. Castaigne, P., Escourolle, R., Poirier, H.: L'ultrastructure des méningiomes. Etude de 4 cas en microscopie électronique. Rev. neurol.114, 249?261 (1966).