Motility changes revealing esophagogastric junction.
D002933:Cineradiography; D004943:Esophagogastric Junction; D004947:Esophagus / Q000502:physiology*; D006801:Humans; D013270:Stomach / Q000502:physiology*
CINEFLUOROGRAPHY; ESOPHAGUS/physiology; STOMACH/physiology