[On the indication for preoperative esophagoscopy in hiatus hernia and reflux syndrome].
D003964:Diaphragm; D004945:Esophagoscopy; D005764:Gastroesophageal Reflux; D006548:Hernia, Diaphragmatic / Q000175:diagnosis*; D006551:Hernia, Hiatal; D006801:Humans; D013577:Syndrome
ESOPHAGOSCOPY; HERNIA, DIAPHRAGMATIC/diagnosis