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Mohajerzadeh L, Zakeri A, Zanganeh kia M, Khaleghnejad Tabari A, Dara N. High Dose Botox Injection for Patients with Internal Anal Sphincter Achalasia Persistent to Posterior Internal Anal Sphincter Myectomy. Iran J Pediatr Surg [Internet]. 2020 Dec. 7 [cited 2024 May 6];6(2):66-73. Available from: https://journals.sbmu.ac.ir/irjps/article/view/31946