McAuliffe MS, Henry B: Countries where anesthesia is administered by nurses. AANA J 1996 ; 64 : 469-79
Tenedios C, O'Leary S, Capocci M, et al : History of anaesthesia: Nurse anaesthesia practice in the G7 countries (Canada, France, Germany, Italy, Japan, the United Kingdom and the United States of America). Eur J Anaesthesiol 2018 ; 35 : 158-64