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Top-10 frequently used words in COVID-19 and PPE.
| Ranking | Word | Records | Percentage (%) | TLCS | TGCS |
|---|---|---|---|---|---|
| 1 | COVID | 1,235 | 38.5 | 1,351 | 10,836 |
| 2 | Pandemic | 576 | 17.9 | 583 | 4,924 |
| 3 | Mask | 464 | 14.5 | 443 | 3,446 |
| 4 | Masks | 423 | 13.2 | 736 | 4,859 |
| 5 | Protective | 420 | 13.1 | 394 | 4,731 |
| 6 | Personal | 400 | 12.5 | 379 | 4,672 |
| 7 | Face | 397 | 12.4 | 687 | 5,078 |
| 8 | Equipment | 394 | 12.3 | 369 | 4,629 |
| 9 | Use | 226 | 7.0 | 378 | 2,500 |
| 10 | SARS | 160 | 5.0 | 582 | 3,782 |
PPE, personal protective equipment; TLCS, total local citation score; TGCS, total global citation score.
