Pong, Ryan P Does a paresthesia during spinal needle insertion indicate intrathecal needle placement? [electronic resource] - Regional anesthesia and pain medicine - 29-32 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1532-8651 Standard No.: 10.2097/AAP.0b013e3181933eed doi Subjects--Topical Terms: AgedAnesthesia, SpinalAnesthetics, Local--administration & dosageFemaleHumansInjections, Spinal--adverse effectsMaleMiddle AgedParesthesia--cerebrospinal fluidProspective StudiesSpinal Nerve Roots--physiologySubarachnoid Space