1. Subcutaneous empysema following the use of a high-pressure water jet: Reply 
S Grannum, MRCS, S Gwylim 
British Journal of Plastic Surgery 
Volume 56, Issue 3, Pages (April 2003)
DOI: /S (03)

2. Figure 1
AP radiograph of the left knee showing gas within the soft-tissues.
British Journal of Plastic Surgery  , DOI: ( /S (03) )

3. Figure 2
Lateral radiograph of the knee showing gas within the soft-tissues.
British Journal of Plastic Surgery  , DOI: ( /S (03) )