Unravelling the role of the mandatory use of face covering masks for the control of SARS-CoV-2 in schools: a quasi-experimental study nested in a population-based cohort in Catalonia (Spain)Ermengol Coma, Clara Prats, Eduardo Hermosilla et al.|Archives of Disease in Childhood|2022Cited by 31
Transmissibility, hospitalization, and intensive care admissions due to omicron compared to delta variants of SARS-CoV-2 in Catalonia: A cohort study and ecological analysisMartí Català, Enrique Álvarez-Lacalle, Ermengol Coma et al.|Frontiers in Public Health|2022Cited by 21