@Article{Rudnik2019,
journal="Gastroenterology Review/Przegląd Gastroenterologiczny",
issn="1895-5770",
volume="14",
number="2",
year="2019",
title="The importance of cognitive flexibility 
and flexibility in coping with stress for the quality 
of life in inflammatory bowel disease patients during biological therapy. A preliminary report",
author="Rudnik, Agata
and Piotrowicz, Grażyna
and Basińska, Małgorzata Anna
and Rashedi, Vahid",
pages="121--128",
doi="10.5114/pg.2018.81081",
url="http://dx.doi.org/10.5114/pg.2018.81081"
}