1. New light on the transmissibility of viral hepatitis in dental practice and its control;Crawford;JADA,1975
2. Relative analgesia in dental practice; inhalation analgesia and sedation with nitrous oxide;Langa,1968
3. Conscious sedation in dental practice;Bennett,1974
4. Infected anaesthetic apparatus;Clegg;Br Med J,1952
5. Cross-infection and the anesthesiologist;Walter;Anesth Analg,1974