[Electrocardiographic findings during esophageal and gastric surgery].
D013505:Digestive System Surgical Procedures; D004562:Electrocardiography; D004947:Esophagus / Q000601:surgery*; D006801:Humans; D013270:Stomach / Q000601:surgery*
ELECTROCARDIOGRAPHY; ESOPHAGUS/surgery; STOMACH/surgery
Elektrokardiograficheskie nabliudeniia vo vremia operatsii na pishchevode i zheludke.