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3. M. Addy, and W. R. Roberts (1980 ) Comparativein vivoandin vitroproperties of alexidine, cetyl pyridinium chloride, chlorhexidine gluconate and hexetidine . Abstract 89, British Division, International Association for Dental Research.
4. A comparison between chlorhexidine and some quaternary ammonium compounds with regard to retention, salivary concentration and plaque-inhibiting effect in the human mouth after mouth rinses