PRESBYESOPHAGUS: ESOPHAGEAL MOTILITY IN NONAGENARIANS.
D002933:Cineradiography; D003095:Collagen Diseases; D004931:Esophageal Achalasia; D004941:Esophagitis; D004947:Esophagus; D005853:Geriatrics; D006548:Hernia, Diaphragmatic; D006801:Humans; D010827:Physiology
CARDIOSPASM; CINEFLUOROGRAPHY; COLLAGEN DISEASES; DIAPHRAGMATIC HERNIA; ESOPHAGITIS; ESOPHAGUS; GERIATRICS; PHYSIOLOGY