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Updated: Jan 20, 2026

Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea
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A mini review on the common methods of pain reduction before filler and botulinum toxin injection

Hamid Reza Fallahi1,2, Seied Omid Keyhan3,4, Dana Zandian1,2

  • 1School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Journal of Cosmetic Dermatology
|September 7, 2019
PubMed
Abstract

Keywords:
botoxcosmeticfacialfillerpain

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