TY - JOUR AU - Laxague, Francisco AU - Herbella, Fernando A. M. AU - Schlottmann, Francisco PY - 2021 TI - Cricopharyngeal myotomy and toxin botulinum injection for the treatment of upper esophageal sphincter disorders: a narrative review JF - Annals of Esophagus; Vol 5 (September 25, 2022): Annals of Esophagus Y2 - 2021 KW - N2 - UR - https://aoe.amegroups.org/article/view/6266