BibTex format
@article{Singh:2016:10.1016/j.mpmed.2016.02.001,
author = {Singh, S},
doi = {10.1016/j.mpmed.2016.02.001},
journal = {Medicine (United Kingdom)},
pages = {205--212},
title = {Respiratory symptoms and signs},
url = {http://dx.doi.org/10.1016/j.mpmed.2016.02.001},
volume = {44},
year = {2016}
}