BibTex format
@article{Patel:2018:10.1111/anec.12511,
author = {Patel, HC and Hayward, C and Wardle, AJ and Middleton, L and Lyon, AR and Di, Mario C and Salukhe, TV and Sutton, R and Rosen, SD},
doi = {10.1111/anec.12511},
journal = {Annals of Noninvasive Electrocardiology},
title = {The effect of head-up tilt upon markers of heart rate variability in patients with atrial fibrillation},
url = {http://dx.doi.org/10.1111/anec.12511},
volume = {23},
year = {2018}
}