BibTex format
@article{Pavitt:2017:10.1136/bmjresp-2017-000215,
author = {Pavitt, MJ and Nevett, J and Swanton, LL and HInd, MD and Polkey, MI and Green, M and Hopkinson, NS},
doi = {10.1136/bmjresp-2017-000215},
journal = {BMJ Open Respiratory Research},
title = {London Ambulance source data on choking incidence for the calendar year 2016 – an observational study.},
url = {http://dx.doi.org/10.1136/bmjresp-2017-000215},
volume = {4},
year = {2017}
}