DYSBOT: A single-blind, randomized paral
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Dr. Cristina Sampaio; Joaquim J. Ferreira; Fernanda Simões; Maria J. Rosas; Mari
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Article
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1997
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John Wiley and Sons
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English
⚖ 561 KB
## Background: Elston and russell discovered a difference in the biological potency of the english formulation of botulinum toxin type a or btx-a (dysport) and the american formulation (botox). potency of both is expressed in ld50 mouse units, but because of assay differences, these units are not e