1. Spinal anesthesia versus general anesthesia for elective lumbar spine surgery: a randomized clinical trial;Attari;J Res Med Sci,2011
2. Regional anaesthesia and surgical morbidity;Scott;Br J Surg,1988
3. Intra- and post-operative blood loss and haemodynamics in total hip replacement when performed under lumbar epidural versus general anaesthesia;Modig;Eur J Anaesthesiol,1987
4. Reduction of postoperative mortality and morbidity with epidural or spinal anaesthesia: results from overview of randomised trials;Rodgers;Br Med J (Clin Res Ed),2000
5. Exposure to general anaesthesia could increase the risk of dementia in elderly;Sztark;Euroanaesthesia,2013