Yücel, A Intravenous administration of caffeine sodium benzoate for postdural puncture headache. [electronic resource] - Regional anesthesia and pain medicine - 51-4 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 1098-7339 Subjects--Topical Terms: AdolescentAdultAnalgesics, Non-Narcotic--administration & dosageAnesthesia, Spinal--adverse effectsBenzoates--administration & dosageBlood Patch, EpiduralCaffeine--administration & dosageDouble-Blind MethodDrug CombinationsFemaleHeadache--etiologyHumansInfusions, IntravenousMaleMiddle AgedPain MeasurementSpinal Puncture--adverse effects