What is preservative challenge test?

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Tags

1. #protect
2. #microorganisms
3. #efficacy
4. #preservative
5. #preservatives
6. #microbiological
7. #process
8. #products
9. #added
10. #manufacturing
11. #growth
12. #effectiveness
13. #substances
14. #subsequent
15. #introduced
16. #inadvertently
17. #testing
18. #during
19. #antimicrobial