The acid achalasia association.
Traube
Morris
M
D001471:Barrett Esophagus / Q000209:etiology*; D003937:Diagnosis, Differential; D004931:Esophageal Achalasia / Q000150:complications / Q000503:physiopathology*; D006356:Heartburn / Q000150:complications / Q000503:physiopathology*; D006801:Humans; D006863:Hydrogen-Ion Concentration