No causal effect of school closures in Japan on the spread of COVID-19 in spring 2020
Nature Medicine (2021) - Comments
pubmed: 34707318  doi: 10.1038/s41591-021-01571-8  issn: 1078-8956  issn: 1546-170x 

Kentaro Fukumoto, Charles T. McClean, Kuninori Nakagawa