Patulous Lower Esophageal Sphincter

Meining A , Fackler A , Tzavella K , Lower esophageal sphincter pressure in patients with gastroesophageal reflux disease and posture and time patterns. Dis Esophagus 2004; 17(2): 155–8.

Sloan S , Rademaker AW , Kahrilas PJ . Determinants of gastroesophageal junction incompetence: Hiatal hernia, lower esophageal sphincter, or both? Ann Intern Med 1992; 117(12):977–82.