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Number of fact occurrences in text sources
| Genre | Source | Fact occurrences |
|---|---|---|
| Scientific Publications | PubMed Medline | 39,266 |
| PubMed Central | 6,979 | |
| Encyclopedic Articles | Drugs.com | 461,130 |
| Mayo Clinic | 35,300 | |
| Medline Plus | 6,559 | |
| RxList | 5,818 | |
| Wikipedia Health | 17,588 |
