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S2
Bauer, Daniel M.; Ernst, Dennis; Willeford, Susan; Gambino, Raymond. Investigating Elevated Potassium Values. MLO Nov.2006, p.24-26.

S3
Clarke, W. and Dufour, D. R., Editors (2006). Contemporary Practice in Clinical Chemistry, AACC Press, Washington, DC. Pp 336-337.

S4
American Heart Association. Potassium. Available online at http://www.americanheart.org. Accessed February 2008.

S5
Pikilidou MI, et al. Blood pressure and serum potassium levels in hypertensive patients receiving or not receiving antihypertensive treatment. Clin Exp Hypertens. 2007 Nov;29(8):563-73. Abstract available online at http://www.ncbi.nlm.nih.gov/pubmed. Accessed February 2008.

S6
Waring WS, Stephen AF, Malkowska AM, Robinson OD. Acute Acetaminophen Overdose Is Associated with Dose-Dependent Hypokalaemia: A Prospective Study of 331 Patients. Basic Clin Pharmacol Toxicol. 2007 Nov 28. Abstract available online at http://www.ncbi.nlm.nih.gov/pubmed. Accessed February 2008.

S7
Pagana K, Pagana T. Mosby's Manual of Diagnostic and Laboratory Tests. 3rd Edition, St. Louis: Mosby Elsevier; 2006.

S8
Thomas, Clayton L., Editor (1997). Taber’s Cyclopedic Medical Dictionary. F.A. Davis Company, Philadelphia, PA [18th Edition].

S9
Pagana, Kathleen D. & Pagana, Timothy J. (2001). Mosby’s Diagnostic and Laboratory Test Reference 5th Edition: Mosby, Inc., Saint Louis, MO.

S10
(1995-2004). Minerals and Electrolytes. The Merck Manual of Medical Information – Second Home Edition [On-line information]. Available online at http://www.merck.com.

S11
Ben-Joseph, E., Reviewed (2004 July). Dehydration. Familydoctor.org Information for Parents [On-line information]. Available online at http://www.kidshealth.org.

S12
A.D.A.M. editorial, Updated (2003 October 15). Electrolytes. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/002350.htm