RT Journal Article SR Electronic T1 Proximal lateral approach to ultrasound-guided sciatic nerve block: where is the correct injection site? JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP rapm-2019-100822 DO 10.1136/rapm-2019-100822 A1 Jesper Kent Nielsen A1 Jørgen Tranum-Jensen A1 Soeren Boegevig YR 2019 UL http://rapm.bmj.com/content/early/2019/08/14/rapm-2019-100822.abstract AB