García-Aguado, R [Flow-controlled needle: a new device for performing unassisted nerve blocks]. [electronic resource] - Revista espanola de anestesiologia y reanimacion Nov 2014 - 526-7 p. digital Publication Type: Letter; Video-Audio Media ISSN: 2340-3284 Standard No.: 10.1016/j.redar.2013.12.004 doi Subjects--Topical Terms: Equipment DesignHumansNeedlesNerve Block--instrumentation