BibTex format
@article{Smalley:2019:10.1136/bmjresp-2018-000369,
author = {Smalley, K and Aufegger, L and Flott, K and Holt, G and Mayer, E and Darzi, A},
doi = {10.1136/bmjresp-2018-000369},
journal = {BMJ Open Respiratory Research},
title = {Which behaviour change techniques are most effective in improving healthcare utilisation in COPD self-management programmes? A protocol for a systematic review},
url = {http://dx.doi.org/10.1136/bmjresp-2018-000369},
volume = {6},
year = {2019}
}