@article{Chen2020,
author = {Chen, S. and Yang, J. and Yang, W. and Wang, C. and Bärnighausen, T.},
title= {COVID-19 control in China during mass population movements at New Year},
year = {2020},
doi = {10.1016/S0140-6736(20)30421-9},
volume = {395},
number = {10226},
pages = {764--766},
}