THE INTRINSIC SPHINCTER IN THE PREVENTION OF GASTRO-OESOPHAGEAL REFLUX.
D000715:Anatomy; D004941:Esophagitis; D004942:Esophagitis, Peptic; D004947:Esophagus; D005764:Gastroesophageal Reflux; D006801:Humans; D010827:Physiology
ANATOMY; ESOPHAGITIS, PEPTIC; ESOPHAGUS; PHYSIOLOGY