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Invited Commentary | 
Michael Sobel, MD; Gale L. Tang, MD
JAMA Surg. 2016;151(2):154. doi:10.1001/jamasurg.2015.3246.

Original Investigation | 
Sherif Y. Shalaby, MD; Trenton R. Foster, MD; Michael R. Hall, MD; et al.
JAMA Surg. 2016;151(2):147-153. doi:10.1001/jamasurg.2015.3219.
Includes: Supplemental Content

Original Article |  FREE
C. Denise Ching, MD; Robert C. Harland, MD; Bradley H. Collins, MD; et al.
Arch Surg. 2001;136(3):276-279. doi:10.1001/archsurg.136.3.276.

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