title: [Concentration of selected microelements in blood serum in malignant gastroenteric tumors in humans].
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000097:blood*; D006801:Humans; D007501:Iron / Q000097:blood; D008274:Magnesium / Q000097:blood; D008297:Male; D008875:Middle Aged; D014131:Trace Elements / Q000097:blood*; D015032:Zinc / Q000097:blood
chemical_list: D014131:Trace Elements; D007501:Iron; D008274:Magnesium; D015032:Zinc
vernacular_title: Badanie stezenia wybranych mikroelementów w surowicy krwi w nowotworach złośliwych przewodu pokarmowego człowieka.