Clinical characteristics of COVID-19 clusters in three schools in Beijing, China: A retrospective study
| Autor: | Gu, Zhixia, Song, Rui, Zhang, Yuanyuan, Hao, Yiwei, Sheng, Shugui, Chen, Xiaoyou, Jin, Ronghua |
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| Zdroj: | In Heliyon 15 August 2024 10(15) |
| Databáze: | ScienceDirect |
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