Mohajerzadeh, Leily, Amirmohammad Zakeri, Mehdi Zanganeh kia, Ahmad Khaleghnejad Tabari, and Naghi Dara. “High Dose Botox Injection for Patients With Internal Anal Sphincter Achalasia Persistent to Posterior Internal Anal Sphincter Myectomy”. Iranian Journal of Pediatric Surgery 6, no. 2 (December 7, 2020): 66–73. Accessed May 5, 2024. https://journals.sbmu.ac.ir/irjps/article/view/31946.