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Research Letter | 
Tiffany Wu, MD; Fred Weaver, MD; Steven Katz, MD
JAMA Surg. 2015;150(1):82-84. doi:10.1001/jamasurg.2014.504.

Original Article |  FREE
Dimitri Christoforidis, MD; Pierre-Guy Chassot, MD; François Mosimann, MD; et al.
Arch Surg. 2003;138(1):17-25. doi:10.1001/archsurg.138.1.17.

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