| 标题 |
 A study protocol of external validation of eight COVID-19 prognostic models for predicting mortality risk in older populations in a hospital, primary care, and nursing home setting |
| 网址 | |
| DOI | |
| 其它 | 期刊: Diagnostic and prognostic research; 日期: 2023-00-00 2023; 卷: 7; 期: 1; 页码: 8; PMID: 37013651 |
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| 下载 | 该求助完结已超 24 小时，文件已从服务器自动删除，无法下载。 |
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(2025-6-4)
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