[The external lower esophageal sphincter].
de Arzua Zualica
E
E
D000818:Animals; D004943:Esophagogastric Junction / Q000033:anatomy & histology / Q000502:physiology*; D005764:Gastroesophageal Reflux / Q000503:physiopathology; D006801:Humans
El esfínter esofágico inferior externo.