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Botulinum toxin - Wikipedia, the free encyclopedia
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日期:2024-04-27
Botulinum toxin is a protein and neurotoxin produced by the bacterium Clostridium botulinum.[1][2] It is the most acutely lethal toxin known, with an estimated human median lethal dose (LD-50) of 1.3–2.1 ng/kg intravenously or intramuscularly and 10–13 ng...看更多