title: Spurious increase in plasma potassium concentration and reduction in plasma calcium due to in vitro contamination with liquid potassium edetic acid at phlebotomy.
mesh_terms: D001800:Blood Specimen Collection / Q000295:instrumentation; D002118:Calcium / Q000097:blood*; D004492:Edetic Acid; D004866:Equipment Contamination; D006801:Humans; D011188:Potassium / Q000097:blood*
chemical_list: D004492:Edetic Acid; D011188:Potassium; D002118:Calcium