Mohajerzadeh, L., Zakeri, A. ., Zanganeh kia, M., Khaleghnejad Tabari, A. ., & Dara, N. . (2020). High Dose Botox Injection for Patients with Internal Anal Sphincter Achalasia Persistent to Posterior Internal Anal Sphincter Myectomy. Iranian Journal of Pediatric Surgery, 6(2), 66–73. https://doi.org/10.22037/irjps.v6i2.31946