What is the main purpose of preclinical testing?

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Tags

1. #safety
2. #clinical
3. #before
4. #support
5. #another
6. #animals
7. #procedure
8. #trials
9. #studies
10. #preclinical
11. #collect
12. #humans
13. #medical
14. #study
15. #required
16. #treatment
17. #started