title: Things to avoid in meta-analysis.
authors.forename: Anna
authors.initials: A
authors.lastname: Szczesniak
authors.forename: Bartosz
authors.initials: B
authors.lastname: Gorny
authors.forename: Mariusz
authors.initials: M
authors.lastname: Kowalewski
authors.forename: Michalina
authors.initials: M
authors.lastname: Kolodziejczak
authors.forename: Natalia
authors.initials: N
authors.lastname: Kotlarek
mesh_terms: D003625:Data Collection; D006801:Humans; D015201:Meta-Analysis as Topic; D015983:Selection Bias