RECENT work on conditioned reflexes from Pavlov's laboratory is published in Trudy Physiologitcheskikh Laboratorii Pavlov,11 (Moscow, 1944). The director of the laboratory is now Prof. P. S. Kupalov, ...

Hydén, H., in The Cell: Biochemistry, Physiology, Morphology (edit. by Brachet, J., and Mirsky, A. E.), 4, Ch. 5 (Academic Press, New York, 1962).

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