Effectiveness of wearing masks during the COVID-19 outbreak in cohort and case-control studies: a systematic review and meta-analysis
Idevaldo Floriano1, Antônio Silvinato1,2, Hélio Arthur Bacha3, Alexandre Naime Barbosa4, Suzana Tanni5, Wanderley Marques Bernardo2,6
DOI: https://dx.doi.org/10.36416/1806-3756/e20230003