1. Bodian, D.: The staining of paraffin sections of nervous tissues with activated protargol. The role of fixatives. Anat. Rec. 69, 153?162 (1937).
2. Bornstein, M. B.: Reconstituted rat-tail collagen used as substrate for tissue culture on coverslips in Maximow slides and roller tubes. Lab. Invest. 7, 134?140 (1958).
3. ?: Morphological development of neonatal mouse cerebral cortex in tissue culture. In Symposium: Neurological and electroencephalographic correlative studies in infancy, p. 1?11, edit. by P. Kellaway and I. Petersén. New York: Grune & Stratton 1964.
4. ?, and L. M. Breitbart: Anatomical studies of mouse embryo spinal cord-skeletal muscle in long-term tissue culture. Anat. Rec. 148, 362 (1964).
5. ?, and M. R. Murray: Serial observation on patterns of growth, myelin formation, maintenance and degeneration in cultures of new-born rat and kitten cerebellum. J. biophys. biochem. Cytol. 4, 499?504 (1958).