Ghali, Ashraf M Single-injection percutaneous peribulbar anesthesia with a short needle as an alternative to the double-injection technique for cataract extraction. [electronic resource] - Anesthesia and analgesia Jan 2010 - 245-7 p. digital Publication Type: Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 1526-7598 Standard No.: 10.1213/ANE.0b013e3181c293bd doi Subjects--Topical Terms: AgedAnesthesia, Local--adverse effectsAnesthetics, Local--administration & dosageCataract ExtractionEyeFemaleHumansInjectionsMaleMiddle AgedNeedlesOrbitPain--etiologyPain MeasurementSingle-Blind Method