Comparison Between Intramuscular and Perimuscular Injections of Botulinum Toxin Type A

Abstract

Botulinum toxin type A (BTX-A) must be injected in the intramuscular area to exert its paralytic effect. The durability of the BTX-A effect varies in different patients, and this fact can result from different locations of the drug injection, for example, the muscle peripheral area (perimuscular). This study aimed to evaluate whether a difference exists in… (More)
DOI: 10.1007/s00266-005-0221-y

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