Retrospective Exploration of Botulinum Toxin Injection for Pharyngoesophageal Segment Dysfunction Post‐laryngectomy by Ruby J. Kazemi, Andrew D.P. Prince, Keith A. Casper, Matthew E. Spector, Joshua D. Smith, Mark E.P. Prince

“…Conclusion Botulinum toxin A injection appears to be safe and effective for treating difficulty with speech and swallowing due to PE dysfunction after laryngectomy. …”
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