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2. K. K. Rudzit, Heparinocytes [in Russian], Riga (1959).
3. G. K. Sakhnovskaya and L. M. Burman, Pat. Fiziol., No. 4, 26 (1968).
4. N. G. Khrushchov, The Functional Cytochemistry of the Loose Connective Tissue [in Russian], Moscow (1969).
5. G. Asboe-Hansen, Ann. Rev. Physiol.,25, 47 (1963).