[Diagnosis of the gastroesophageal reflux disease: options and criteria].
Felix
V N
VN
D016145:Endoscopy, Digestive System / Q000379:methods; D004947:Esophagus / Q000737:chemistry; D005764:Gastroesophageal Reflux / Q000175:diagnosis*; D006801:Humans; D006863:Hydrogen-Ion Concentration