@Article{Lak2022,
journal="Gastroenterology Review/Przegląd Gastroenterologiczny",
issn="1895-5770",
volume="17",
number="1",
year="2022",
title="Association between gastrointestinal symptoms and disease severity in patients with COVID-19 in Tehran City, Iran",
author="Lak, Elena
and Sheikholeslami, Seyed
and Ghorbi, Mahmoud
and Shafei, Mostafa
and Yosefi, Homayon",
pages="52--58",
doi="10.5114/pg.2021.106245",
url="http://dx.doi.org/10.5114/pg.2021.106245"
}