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2. [See PDF for text that cannot be displayed in HTML];[See PDF for text that cannot be displayed in HTML] [See PDF for text that cannot be displayed in HTML],1990
3. Hyaluronic acid: biological role, structure, synthesis, isolation, purification and application. (In Russian);Radaeva;Applied Biochemistry and Microbiology,1997
4. [See PDF for text that cannot be displayed in HTML] [See PDF for text that cannot be displayed in HTML];[See PDF for text that cannot be displayed in HTML],1997
5. Studies on hyaluronic acid. The preparation and properties of rooster comb hyaluronic acid;Swann;Biochimica et Biophysica Acta,1968