1. A checklist to improve the quality of central venous catheter tip positioning
2. SICSAG/NHS National Services Scotland.Central Line Insertion Bundle Version 2.0. 2012.https://www.sicsag.scot.nhs.uk/hai/SICSAG-central-line-insertion-bundle-120418.pdf(accessed 21/08/2019).
3. Getting It Right First Time.Intensive and Critical Care. 2017.https://gettingitrightfirsttime.co.uk/clinicalwork-stream/intensive-and-critical-care/(accessed 22/08/2019).
4. Positioning Central Venous Catheters – A Prospective Survey
5. BelchD WilliamsD.Central line length and patient height – testing a simple matrix. 2016.https://epostersonline.com/soa2016/node/510?view=true(accessed 21/08/2019).