pl 1:9. Bonetto N Manara R Citton V Cagnin A. Spinal subtraction MRI for diagnosis of epidural 64 leakage in SIH. Neurology 2011. 77:1873. Molins A Alvarez J Sumalla J et al. Cisternographic pattern of spontaneous liquoral 65 hypotension. Cephalalgia 1990. 10:59. 66 Bai J Yokoyama K Kinuya S et al. Radionuclide cister