AU  - , 
AU  - Sun, Xin
AU  - Heels-Ansdell, Diane
AU  - Walter, Stephen D.
AU  - Guyatt, Gordon
AU  - Sprague, Sheila
AU  - Bhandari, Mohit
AU  - Sanders, David
AU  - Schemitsch, Emil
AU  - Tornetta, III ,Paul
AU  - Swiontkowski, Marc
TI  - Is a Subgroup Claim Believable?A User's Guide to Subgroup Analyses in the Surgical Literature
PT  - JOUR
DP  - 2011
TA  - The Journal of Bone & Joint Surgery
PG  - e8 1-9
VI  - 93
IP  - 3
AID  - 10.2106/JBJS.I.01555 [doi]
4100  - http://dx.doi.org/10.2106/JBJS.I.01555
SO  - The Journal of Bone & Joint Surgery February 2, 2011 93(3):e8 1