Vernieuwe, Lynn Ultrasound-guided supraclavicular block in a patient with no first rib. [electronic resource] - Journal of clinical anesthesia Jun 2015 - 361-2 p. digital Publication Type: Case Reports; Letter ISSN: 1873-4529 Standard No.: 10.1016/j.jclinane.2015.02.004 doi Subjects--Topical Terms: FemaleHumansMiddle AgedNerve Block--methodsRibsUltrasonography, Interventional--methods