[On the roentgen-radiodiagnostic method of study of the esophagus and stomach in tumors and other diseases].
D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D009369:Neoplasms; D011859:Radiography; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*
ESOPHAGUS/radiography; STOMACH NEOPLASMS/radiography