1. Ausman, J.I., Levin, V.A.: Intra- and extra vascular distribution of standard drug molecules in brain tumor and brain, p. 41 Fourth International Congress of Neurological Surgery. (C.G. Drake and R. Duvoisin, Eds.) Amsterdam: Excerpta Medica Foundation 1970.
2. Bakay, L.: The extracellular space in brain tumours. I. Morphological considerations. Brain 93 693–698 (1970).
3. Bakay, L.: The extracellular space in brain tumours. II. The sucrose space. Brain 93 699–708 (1970).
4. Bbightman, M.W., Reese, T.S.: Junctions between intimately apposed cell membranes in the vertebrate brain. J. Cell Biol. 40 648–677 (1969).
5. Beodee, L.E., Rall, D.P.: Chemotherapy of brain tumors. In: Recent Advances in Brain Tumor Research. (W.G. Bingham, Jr., Ed.) in press.