BibTex format
@article{Khan:2019:10.1111/liv.14095,
author = {Khan, SA and Tavolari, S and Brandi, G},
doi = {10.1111/liv.14095},
journal = {LIVER INTERNATIONAL},
pages = {19--31},
title = {Cholangiocarcinoma: Epidemiology and risk factors},
url = {http://dx.doi.org/10.1111/liv.14095},
volume = {39},
year = {2019}
}