BibTex format
@article{Penney:2012:10.1016/j.ijsu.2012.06.321,
author = {Penney, N and Phoenix, G and Ball, S and Becker, G},
doi = {10.1016/j.ijsu.2012.06.321},
journal = {International Journal of Surgery},
pages = {S61--S61},
title = {Radiographic assessment of the thumb},
url = {http://dx.doi.org/10.1016/j.ijsu.2012.06.321},
volume = {10},
year = {2012}
}