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Pre-existing health conditions and severe COVID-19 outcomes: an umbrella review approach and meta-analysis of global evidence
| Views | |
|---|---|
| Pre-existing ... | 529 |
Total Visits Per Month
| August 2025 | September 2025 | October 2025 | November 2025 | December 2025 | January 2026 | February 2026 | |
|---|---|---|---|---|---|---|---|
| Pre-existing ... | 3 | 28 | 9 | 26 | 13 | 16 | 6 |
File Visits
| Views | |
|---|---|
| s12916-021-02058-6.pdf | 440 |