Face masks to prevent transmission of respiratory infections: Systematic review and meta-analysis of randomized controlled trials on face mask use.
Hanna M OllilaMarkku PartinenJukka KoskelaJohn A BorghiRiikka SavolainenAnna RotkirchLiisa T LainePublished in: PloS one (2022)
PROSPERO registration number CRD42020205523.