| web | https://www.sfgate.com/food/article/Cooks-restaurant-workers-risk-death-COVID-UCSF-15905789.php |
| author | Madeline Wells |
| publication | San Francisco Chronicle |
| date | 2021-01-28 |
| web | Yea-Hung Chen, Maria Glymour | MedRxiv | 2021-01-22 | |
| web | Yea-Hung Chen, Maria Glymour | MedRxiv | 2021-01-22 |
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