1. OBA questions, problems just now recognized, being defined;Morell;Anesthesia Patient Saf Found Newslett,2000
2. Morbidity and mortality related to anaesthesia outside the operating room;Missant;Curr Opin Anaesthesiol,2004
3. Morbidity and mortality related to anesthesia outside the operating room;Melloni;Minerva Anestesiol,2005
4. Anaesthesia for cerebral aneurysms: a comparison between interventional neuroradiology and surgery;Lai;Can J Anaesth,2001
5. Sedation and anaesthesia outside the operating room;Gullo;Minerva Anestesiol,2005