@article{doi:10.2106/JBJS.H.01602,
author = {Zlowodzki, Michael and Bhandari, Mohit},
title = {Outcome Measures and Implications for Sample-Size Calculations},
journal = {The Journal of Bone & Joint Surgery},
volume = {91},
number = {Supplement_3},
pages = {35-40},
year = {2009},
doi = {10.2106/JBJS.H.01602},
URL = { + http://dx.doi.org/10.2106/JBJS.H.01602},
eprint = {}
}