[Study of esophageal function. Which methods to choose?].
D004931:Esophageal Achalasia / Q000503:physiopathology*; D005764:Gastroesophageal Reflux / Q000503:physiopathology*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008365:Manometry
Estudo da função esofägica. Que métodos escolher?