1. Unusually prolonged duration of spinal anesthesia following 2% mepivacaine;Tagariello;Reg Anesth Pain Med,1998
2. Exceptionally prolonged anesthesia after a small dose of intrathecal bupivacaine;Arndt;Anesthesiology,2003
3. A case of unusually prolonged hyperbaric spinal anesthesia;Zeidan;Acta Anaesthesiol Scand,2005
4. Diagnosis and therapy of intrathecal bleeding;Nolli;Minerva Anestesiol,2001
5. Exceptionally prolonged anaesthesia after a small dose of intrathecal bupivacaine;Arndt;Anesthesiology,2002