1. Deaths associated with dentistry;Coplans;Br. Dent. J.,1982
2. DHSS;GDS Special Area Analyses,1983
3. Deaths under anaesthesia in the dental surgery;Goldman;Br. Dent. J.,1958
4. Anaesthesia in Dentistry;Green,1973
5. Mortality Associated with Anaesthesia;Lunn,1982