BibTex format
@article{von:2016:10.1016/j.jhealeco.2015.10.007,
author = {von, Hinke S and Davey, Smith G and Lawlor, DA and Propper, C and Windmeijer, F},
doi = {10.1016/j.jhealeco.2015.10.007},
journal = {Journal of Health Economics},
pages = {131--148},
title = {Genetic markers as instrumental variables},
url = {http://dx.doi.org/10.1016/j.jhealeco.2015.10.007},
volume = {45},
year = {2016}
}