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Is a Subgroup Claim Believable?

A User’s Guide to Subgroup Analyses in the Surgical Literature

Sun, Xin PhD1; Heels-Ansdell, Diane MSc1; Walter, Stephen D. PhD1; Guyatt, Gordon MD, MSc1; Sprague, Sheila MSc2; Bhandari, Mohit MD, MSc2; Sanders, David MD3; Schemitsch, Emil MD4; Tornetta, Paul III MD5; Swiontkowski, Marc MD6; By the Study to Prospectively Evaluate Reamed Intramedullary Nails in Tibial Fractures (SPRINT) Investigators*

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The Journal of Bone & Joint Surgery: February 2, 2011 - Volume 93 - Issue 3 - p e8
doi: 10.2106/JBJS.I.01555
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