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- Food and Drug Administration approved alternative methods to LD50 for testing the cosmetic drug Botox without animal tests.[2][3]The LD50 is usually expressed as the mass of substance administered per unit mass of test subject, typically as milligrams o
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- Netherlands, Arcen
- Date Registered:
- May 28, 2018, 10:07:19 PM
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- June 27, 2026, 03:55:35 AM
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- June 07, 2018, 11:44:01 PM




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