Impact of non-pharmaceutical interventions against COVID-19 in Europe in 2020: a quasi-experimental non-equivalent group and time series design study
Hunter, Paul R and Colón-González, Felipe J and Brainard, Julii and Rushton, Steven, Eurosurveillance, 26, 2001401 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.28.2001401