[Esophageal reflux in ulcer disease].
D004381:Duodenal Ulcer / Q000150:complications*; D005745:Gastric Acidity Determination; D005764:Gastroesophageal Reflux / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D013276:Stomach Ulcer / Q000150:complications*
O refliuks-ezofagite pri iazvennoĭ bolezni