1. Adams, C. W. M., Bayliss, O. B., Grant, F. R. S.: Cholinesterases in peripheral nervous system. III. Validity of localisation around the node of Ranvier. Histochem. J. 1, 68?77 (1968).
2. Allt, G.: Ultrastructural features of the immature peripheral nerve. J. Anat. (Lond.) 105, 283?293 (1969).
3. Behnke, O.: Electron microscopical observations on the surface coating of human blood plateletes. J. Ultrastruct. Res. 24, 51?69 (1968).
4. Berthold, C. H.: Ultrastructure of postnatally developing feline peripheral nodes of Ranvier. Acta Soc. Med. upsalien. 73, 145?166 (1968).
5. Berthold, C. H., Skoglund, S.: Postnatal development of feline paranodal myelin-sheath segments. II. Electron microscopy. Acta Soc. Med. upsalien. 73, 127?144 (1968).