1. N. N. Bogolepov, Methods for Electron Microscopic Investigation of the Brain [in Russian], Meditsina, Moscow (1976).
2. N. N. Bogolepov, ?Change in dendrites on chronic morphine intoxication,? Arkh. Anat.,31, No. 10, 5?11 (1981).
3. G. V. Morozov and N. N. Bogolepov, Morphinism [in Russian], Meditsina, Moscow (1984).
4. L. V. Vas'kina, G. V. Kolusheva, and S. K. Koroleva, ?Ultrastructural changes in the cortex of the large cerebral hemispheres of rats during morphine intoxication,? in: 11th All-Union Conference of Electron Microscopy, University of Estonia, Tallinn (1979), Vol. 2 (Biology), p. 202.
5. G. V. Kolusheva, ?Ultrastructural angles in the sensorimotor cortex of cerebral hemispheres on experimental tolerance and abstinence,? in: Collection of Proceedings of the Brain Institute, Academy of Medical Sciences of the USSR, Brain Institute, Moscow (1979), 8th issue, pp. 47?50.