The lower esophageal sphincter.
Paterson
William G
WG
Gastrointestinal Diseases Research Unit and Department of Medicine, Queen's University, Kingston, Ont. patersow@hdh.kari.net
Zhang
Yong
Y
D004935:Esophageal Diseases / Q000453:epidemiology; D004943:Esophagogastric Junction / Q000033:anatomy & histology / Q000502:physiology* / Q000503:physiopathology; D005764:Gastroesophageal Reflux / Q000503:physiopathology; D006551:Hernia, Hiatal / Q000473:pathology; D006801:Humans; D009129:Muscle Tonus / Q000502:physiology