@article{doi:10.2106/JBJS.H.01570,
author = {Busse, Jason W. and Obremskey, William T.},
title = {Principles of Designing an Orthopaedic Case-Control Study},
journal = {The Journal of Bone & Joint Surgery},
volume = {91},
number = {Supplement_3},
pages = {15-20},
year = {2009},
doi = {10.2106/JBJS.H.01570},
URL = { + http://dx.doi.org/10.2106/JBJS.H.01570},
eprint = {}
}