1. Russell, AD, Chopra, I, Understanding Antibacterial Action and Resistance, 2nd edn, Hertfordshire, Ellis Horwood, 1996, 28, 206
2. Antiseptics and disinfectants: activity, action and resistance;McDonnell;Clin Microbiol Rev,1999
3. The challenge of antibiotic resistance;Levy;Sci Am,1998
4. Martindale: The Extra Pharmacopoeia. Chlorhexidine acetate, gluconate and hydrochloride, 31st edition.London, The Pharmaceutical Press1996;1124–1126.
5. The Pharmaceutical Codex: Principles And Practice of Pharmaceutics. Chlorhexidine and other diguanides, 12th edition.Lund, W(Ed).London, Pharmaceutical Press1994;579–580.