1. 1. Hoekstra M, Vogelzang M, Drost JT, Janse M, Loef BG, van der Horst IC, et al. Implementation and evaluation of a nurse-centered computerized potassium regulation protocol in the Intensive Care Unit – A before and after analysis. BMC Med Inform Decis Mak 2010;10:5.
2. 2. Murray MJ, James M. American Society of Critical Care Anesthesiologists. Philadelphia, PA: Lippincott Williams and Wilkins; 2002. p. 168-9.
3. 3. Cox CJ. Acute care testing. Blood gases and electrolytes at the point of care. Clin Lab Med 2001;21:321-35.
4. 4. Scott MG, LeGrys VA, Klutts JS. Electrolytes and blood gases. In: Burtis DE, Ashwood ER, Bruns DE, editors. Tietz Textbook of Clinical Chemistry and Molecular Diagnostics. 4th ed. St. Louis, MO: Elsevier; 2006. p. 983-1018.
5. 5. D'Orazio P, Miller WG, Myers GL, Doumas BT, Eckfeldt JH, Evans SA, et al. Standardization of Sodium and Potassium Ion-Selective Electrode Systems to the Flame Photometric Reference Method: Approved Standard. C29-A2. 2nd ed., Vol. 20. CLSI; 2000. p. 1-22.