title: Erroneous electrolyte results caused by catheters.
authors.forename: J D
authors.initials: JD
authors.lastname: Cook
authors.forename: T R
authors.initials: TR
authors.lastname: Koch
authors.forename: E C
authors.initials: EC
authors.lastname: Knoblock
mesh_terms: D001800:Blood Specimen Collection; D002408:Catheters, Indwelling; D005189:False Positive Reactions; D006801:Humans; D011188:Potassium / Q000097:blood*; D012964:Sodium / Q000097:blood*
chemical_list: D012964:Sodium; D011188:Potassium