Randomized Controlled Trial
Is a neutral head position as effective as head rotation during landmark-guided internal jugular vein cannulation? Results of a randomized controlled clinical trial.
J. Cardiothorac. Vasc. Anesth.. 2012 Dec 1;26(6):985-8.
Randomized Controlled Trial
Ultrasound-guided external jugular vein cannulation for central venous access by inexperienced trainees.
Eur J Anaesthesiol. 2010 Mar 1;27(3):300-3.
Randomized Controlled Trial
A randomized trial of ultrasound image-based skin surface marking versus real-time ultrasound-guided internal jugular vein catheterization in infants.
Anesthesiology. 2007 Nov 1;107(5):720-4.