Trends in multiple health complaints in Polish adolescents in light of data from 30 European countries and Canada (2002–2018)
Mazur, Joanna, Klanšček, Helena Jeriček, Augustine, Lilly, Porwit, Katarzyna, Sigmund, Erik, Šmigelskas, Kastytis
Expectations for engagement in community issues as perceived by young people
Porwit, Katarzyna, Bójko, Martyna, Korzycka, Magdalena, Mazur, Joanna