title: [Determination of the carcinoembryonic antigen titer using radioimmunoassay in patients with malignant tumors of the gastrointestinal tract before and after surgical treatment in Belgrade].
mesh_terms: D000328:Adult; D000368:Aged; D002272:Carcinoembryonic Antigen / Q000032:analysis*; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000276:immunology* / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D011863:Radioimmunoassay; D015022:Yugoslavia
chemical_list: D002272:Carcinoembryonic Antigen
vernacular_title: Odredivanje titra karcino-embrionog antigena metodom radioimunoeseja u bolesnika sa malignim tumorima gastrointestinalnog trakta pre i posle hirurskog lecenja u Beogradu.