[1] F. van Kooten, “Efficacy of the Epidural Blood Patch for the Treatment of Post Lumbar Puncture Headache BLOPP: A Randomised, Observer-Blind, Controlled Clinical Trial,” BMC Neurology, 2005, Vol. 5, No. 12, 2005. doi:10.1186/1471-2377-5-12
[2] K. H. Knight, “Implantable Intrathecal Pumps for Chronic Pain: Highlights and Updates,” Croat Med Journal, Vol. 48, No. 1, 2007, pp. 22-34.
[3] A. G. Munts, “Postdural Puncture Headache in Complex Regional Pain Syndrome: A Retrospective Observational Study,” Pain Medicine, Vol. 10, No. 8, 2009, pp. 1469-1475. doi:10.1111/j.1526-4637.2009.00727.x