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how long does bac water stay good for Bacteriostatic 101: Comprehensive Guide to Its Uses and Storage – SyringesNeedlesDepot Bacteriostatic Water Store
Description
Chemistry gives us an answer

When all is said and done, the body may not fully absorb the entire dose, and it can take time to feel the effects

doi: 10.1007/BF02978833

Government Medicare Handbook, Medicare.gov
