title: [Total potassium levels in patients with malignant neoplasms of the esophagus, stomach and intestine].
mesh_terms: D000328:Adult; D000367:Age Factors; D004938:Esophageal Neoplasms / Q000378:metabolism*; D005260:Female; D006801:Humans; D007414:Intestinal Neoplasms / Q000378:metabolism*; D008297:Male; D008875:Middle Aged; D011188:Potassium / Q000032:analysis*; D012737:Sex Factors; D013274:Stomach Neoplasms / Q000378:metabolism*
chemical_list: D011188:Potassium
vernacular_title: Uroven' obshchego kaliia u bol'nykh zlokachestvennymi novoobrazovaniiami pishchevoda, zheludka i kishecnika