BibTex format
@article{Sahnan:2017:10.1136/bmj.j475,
author = {Sahnan, K and Adegbola, SO and Tozer, PJ and Watfah, J and Phillips, RK},
doi = {10.1136/bmj.j475},
journal = {BMJ},
title = {Perianal abscess},
url = {http://dx.doi.org/10.1136/bmj.j475},
volume = {356},
year = {2017}
}