BibTex format
@article{Sharma:2010:10.1136/bcr.01.2010.2698,
author = {Sharma, R and Chatterjee, J and Edmonds, K},
doi = {10.1136/bcr.01.2010.2698},
journal = {BMJ Case Reports},
title = {Horner's syndrome with epidural anaesthesia},
url = {http://dx.doi.org/10.1136/bcr.01.2010.2698},
year = {2010}
}