@article{Li2022Trackingimpact,
  title = {Tracking the Impact of COVID-19 and Lockdown Policies on Public Mental Health Using Social Media: Infoveillance Study},
  author = {Minghui Li and Yining Hua and Yanhui Liao and Li Zhou and Xue Li and Ling Wang and Jie Yang},
  journal = {Journal of Medical Internet Research},
  year = {2022},
  url = {https://www.jmir.org/2022/10/e39676/}
}