RT Journal Article SR Electronic T1 Left-sided superior vena cava complicates central line insertion JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e228474 DO 10.1136/bcr-2018-228474 VO 12 IS 5 A1 Joseph Alexander Gallaher A1 Karthik Somasundaram YR 2019 UL http://casereports.bmj.com/content/12/5/e228474.abstract AB