BibTex format
@article{Judah:2016:10.1186/s12886-016-0206-4,
author = {Judah, G and Vlaev, I and Gunn, L and King, D and King, D and Valabhji, J and Darzi, A and Bicknell, C},
doi = {10.1186/s12886-016-0206-4},
journal = {BMC Ophthalmology},
title = {Incentives in Diabetic Eye Assessment by Screening (IDEAS): study protocol of a three-arm randomized controlled trial using financial incentives to increase screening uptake in London.},
url = {http://dx.doi.org/10.1186/s12886-016-0206-4},
volume = {16},
year = {2016}
}