Davis, Jennifer J Interscalene block for postoperative analgesia using only ultrasound guidance: the outcome in 200 patients. [electronic resource] - Journal of clinical anesthesia Jun 2009 - 272-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1873-4529 Standard No.: 10.1016/j.jclinane.2008.08.022 doi Subjects--Topical Terms: AdultBrachial PlexusElbow--surgeryFemaleHumansMaleMiddle AgedNerve Block--adverse effectsPain, Postoperative--prevention & controlParesthesia--etiologyProspective StudiesShoulder--surgeryUltrasonography, Interventional--methods