BibTex format
@article{Berlanga:2020:10.1186/s12916-020-01817-1,
author = {Berlanga, A and Cupp, M and Tzoulaki, I and Evangelou, E and Aune, D and Cariolou, M},
doi = {10.1186/s12916-020-01817-1},
journal = {BMC Medicine},
title = {Neutrophil to lymphocyte ratio and cancer prognosis: an umbrella review of systematic reviews and meta-analyses of observational studies},
url = {http://dx.doi.org/10.1186/s12916-020-01817-1},
volume = {18},
year = {2020}
}