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| Procedure taken | Articles Examined | Articles identified | % of Examined Articles |
|---|---|---|---|
| [SI] field (SI dataset) | 113,089 | 3,528 | 3.1% |
| Molecular Sequence Data MeSH Heading (MSD dataset) | 109,561 | 3,460 | 3.2% |
| PMC Acknowledgements (ACK dataset) | 71,910 | 230 | 0.3% |
| Full-text XML (XML dataset) | 10,418 | 598 | 5.7% |
| Estimated Total | — | — | 12.3% |
