@article{doi:10.2106/JBJS.J.01681,
author = {Hooper, Gary J. and Rothwell, Alastair G. and Hooper, Nikki M. and Frampton, Chris},
title = {The Relationship Between the American Society of Anesthesiologists Physical Rating and Outcome Following Total Hip and Knee ArthroplastyAn Analysis of the New Zealand Joint Registry},
journal = {The Journal of Bone & Joint Surgery},
volume = {94},
number = {12},
pages = {1065-1070},
year = {2012},
doi = {10.2106/JBJS.J.01681},
URL = { + http://dx.doi.org/10.2106/JBJS.J.01681},
eprint = {}
}