title: [Importance of double contrasting in the roentgen diagnosis of stomach cancer].
mesh_terms: D000368:Aged; D001466:Barium Sulfate; D002951:Citrates; D003287:Contrast Media; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011859:Radiography; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*
chemical_list: D002951:Citrates; D003287:Contrast Media; D001466:Barium Sulfate
vernacular_title: Znachenie dvoĭnogo kontrastirovaniia v rentgenodiagnostike raka zheludka.