Consequently, discrepancies in species sensitivities to different botulinum neurotoxin serotypes preclude extrapolation of animal dose-exercise relationships to human dose estimates. The precise action of MYOBLOC (botulinum toxin type b) ranges among 70 to a hundred thirty Units/ng. Critical Allergic Reactions. Myobloc could induce allergic reactions, which may be really serious. https://myobloc-injection75395.newsbloger.com/36049046/a-review-of-myobloc