%0 Journal Article
%T A narrative review of the function of upper esophageal sphincter in the achalasia
%A Menezes, Mariano de Almeida
%A Valezi, Antônio Carlos
%A Herbella, Fernando Augusto Mardiros
%J Annals of Esophagus
%D 2021
%B 2021
%9 
%! A narrative review of the function of upper esophageal sphincter in the achalasia
%K 
%X 
%U https://aoe.amegroups.org/article/view/6126
%V 5
%P 
%@ 2616-2784