title: [Analysis of potassium and sodium in blood: problems of choosing a method].
authors.forename: A V
authors.initials: AV
authors.lastname: Kozlov
mesh_terms: D001774:Blood Chemical Analysis / Q000379:methods*; D006801:Humans; D011188:Potassium / Q000097:blood*; D012680:Sensitivity and Specificity; D012964:Sodium / Q000097:blood*
chemical_list: D012964:Sodium; D011188:Potassium