@Article{Mroczek2021,
journal="Family Medicine \& Primary Care Review",
issn="1734-3402",
volume="23",
number="1",
year="2021",
title="Preface",
author="Mroczek, Bożena",
pages="5--5",
url="https://www.termedia.pl/Preface,95,43721,1,1.html"
}