@article{doi:10.2106/JBJS.L.00272,
author = {Ghert, Michelle and Petrisor, Brad},
title = {Subgroup Analyses: When Should We Believe Them?},
journal = {The Journal of Bone & Joint Surgery},
volume = {94},
number = {Suppl 1(E)},
pages = {61-64},
year = {2012},
doi = {10.2106/JBJS.L.00272},
URL = { + http://dx.doi.org/10.2106/JBJS.L.00272},
eprint = {}
}