Health ArchivePublished 28 February 2025Clinical response to placebo botulinum toxin injection in cervical dystonia—a systematic review and meta-analysisEmma Wetmore · Henry Roberts · Alicia A. Livinski · Terance Camacho · Chyanne Eaton · Gina Norato · Mark Hallett · Mark StacyDystoniadoi 10.3389/dyst.2025.14297