@Article{Mroczek2020,
journal="Family Medicine \& Primary Care Review",
issn="1734-3402",
volume="22",
number="4",
year="2020",
title="Preface",
author="Mroczek, Bożena",
pages="272--272",
url="https://www.termedia.pl/Preface,95,42785,1,1.html"
}