The upper esophageal sphincter: anatomy and physiology
@article{AOE6432, author = {Apoorva T. Ramaswamy and Per Martell and Renata Azevedo and Peter Belafsky}, title = {The upper esophageal sphincter: anatomy and physiology}, journal = {Annals of Esophagus}, volume = {5}, number = {0}, year = {2021}, keywords = {}, abstract = {}, issn = {2616-2784}, url = {https://aoe.amegroups.org/article/view/6432} }