@Article{Wang2021,
journal="Gastroenterology Review/Przegląd Gastroenterologiczny",
issn="1895-5770",
volume="16",
number="4",
year="2021",
title="Stent insertion for hilar cholangiocarcinoma: 
a meta-analysis of comparison between unilateral and bilateral stenting",
author="Wang, Ying
and Liu, Pei-Pei
and Yang, Lu-Lu",
pages="383--389",
doi="10.5114/pg.2021.105022",
url="http://dx.doi.org/10.5114/pg.2021.105022"
}