1. Development and evaluation of methods for the elimination of waste anesthetic gases and vapors in hospitals;Whitcher,1975
2. A survey of anesthetic health hazards among dentists;Cohen;JADA,1975
3. Occupational disease among operating room personnel: a national study;Cohen;Anesthesiology,1974
4. Anaesthetic practice and pregnancy;Knill-Jones;Lancet,1972
5. Anaesthetic practice and pregnancy;Knill-Jones;Lancet,1975