1. An alternative method of neck flexion after tracheal resection
Dale K Mueller, MD, John Becker, MD, Steven K Schell, MD, Kishore M Karamchandani, MD, James R Munns, MD, Brian Jaquet, PA 
The Annals of Thoracic Surgery 
Volume 78, Issue 2, Pages (August 2004)
DOI: /j.athoracsur

2. Fig 1 Orthosis to maintain neck flexion.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )

3. Fig 2 Placement of orthosis to maintain constant neck flexion.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )