@article{25006,
  title = {The COVID-19 Pandemic: A Global Natural Experiment},
  year = {2020},
  journal = {Aha Journals},
  publisher = {Circulation},
  url = {https://www.ahajournals.org/doi/10.1161/CIRCULATIONAHA.120.047538},
  doi = {https://doi.org/10.1161/CIRCULATIONAHA.120.047538},
}