1. Regional anesthesia: techniques and clinical applications;Labat,1922
2. Anesthetic techniques during surgical repair of femoral neck fractures: a meta-analysis;Sorensen;Anesthesiology,1992
3. General versus regional anesthesia for hip fracture surgery: a meta-analysis of randomized trials;Urwin;Br J Anaesth,2000
4. Changes in mortality after total hip and knee arthroplasty over a ten year period;Sharrock;Anesth Analg,1995
5. Anesthésie régionale: anesthésie tronculaire et plexique de l’adulte;Gaertner,2001