1. Complications of spinal and epidural anesthesia;Horlocker;Anesthesiol Clin North Am,2000
2. Regional anesthesia in the anticoagulated patient;Horlocker;defining the risks (the second ASRA Consensus Conference on Neuraxial Anesthesia and Anticoagulation),2003
3. Acute intracranial subarachnoid hemorrhage following repeated spinal anesthesia;Bottiger;Anaesthesist,1992
4. Intracranial subdural haematoma - a rare complication following spinal anaesthesia;Bjarnhall;Acta Anaesthesiol Scand,1996
5. Hyperacute spinal subdural haematoma as a complication of lumbar spinal anaesthesia;Pedraza Gutierrez;MRI,1999