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Breakdown of Database Used to Source Animal Studies, Human (Epidemiological) Studies, Reviews, and General Studies
| Interval | Animal | Human (Epi) | Reviews/Meta-Analysis | General and Background | Analytical + Case Reports | Total |
|---|---|---|---|---|---|---|
| 1968–2005 EUROTALC database |
14 | 37 | 18 | 26 | 18 | 113 |
| 2006–2009 EUROTALC database |
1 | 8 | 7 | 3 | 3 | 22 |
| 2009–2021 PubMed search |
8 | 12 | 11 | 8 | 3 | 42 |
| Total | 23 | 57 | 36 | 37 | 24 | 177 |
Epi, epidemiological.
