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Efficacy and safety of botulinum toxin injection in the management of chronic symptomatic anal fissure: a systematic review and meta-analysis of randomized controlled trials

Crossref DOI link: https://doi.org/10.1007/s10151-024-03087-y

Published Online: 2025-01-09

Published Print: 2025-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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