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Correlates of protection can be identified by studying immunity in protected and unprotected individuals during natural infection studies but can also be inferred from postvaccination protection
Bacteriostatic water provides predictable reconstitution behavior and supports repeated access without immediate contamination risk
Drugs, devices, and the FDA: Part 2: An overview of approval processes: FDA approval of medical devices
If deficiency is linked to diet, improving B12 intake may help maintain levels
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