@article{Liu2021,
author = {Liu, Shuyan and Heinzel, Stephan and Haucke, Matthias N. and Heinz, Andreas},
year = {2021},
language = {eng},
copyright = {https://creativecommons.org/licenses/by/4.0/},
title = {Increased Psychological Distress, Loneliness, and Unemployment in the Spread of COVID-19 over 6 Months in Germany},
volume = {57},
url = "http://dx.doi.org/10.17169/refubium-30163",
}