This article was originally written by Nancy Williams. It has been updated and revised by the Editorial Review Board.

S1
Forsman, Rodney. The Value of the Laboratory Professional in the Continuum of Care. Clinical Leadership & Management Review. November/December 2002. pp.370-373.

S2
Otto CN. "Identification of criteria for a report card to evaluate clinical laboratory testing services." CLMR 16(1):7-16, 2002.

S3
Nowakowski R (1992). “A Review of Theoretical and Practical Aspects of Clinical Laboratory Testing. Optometry Clinics. Vol. 2; issue 1: pp. 1-14.

S4
Oppenheim IA (1972). Textbook for Laboratory Assistants. CV Mosby Co., Saint Louis: p. 20.

S5
Barnett RN (1971). Clinical Laboratory Statistics. Little, Brown and Co., Boston: p. 9.

S6
Hood W. (1980). A-Z of Clinical Chemistry. Halsted Press, New York: pp. 2 and 291.

S7
Stiene-Martin EA, Lotspeich-Steininger CA, Koepke JA, eds. (1998). Clinical Hematology: Principles, Procedures, Correlations. Lippincott-Raven Publishers, Philadelphia: pp. 565-576.

S8
The Johns Hopkins Consumer Guide to Medical Tests (2001). Margolis S, editor. Medletter Associates, Inc., New York: p. 36.

S9
Fernandes JJ (December 1991). “Realistic Expectations of Laboratory Testing.” Journal of the American Osteopathic Association. Vol. 91; issue 12: pp. 1223 and 1228.

S10
Wurman S (2001). Diagnostic Tests for Women. TOP, Newport, RI: p. 3.

S11
Goldmann DR (1999). American College of Physicians Complete Home Medical Guide. Dorling Kindersley Ltd., New York: p. 213.

S12
Woods MA (1994). The Clinical Medical Assistant. WB Saunders Co, Philadelphia: pp. 183-187.

S13
Abbott Laboratories, product insert, aHIVAB. Available at: http://www.abbottdiagnostics.com/getPDF.cfm?controlNumber=344038

S14
Diagnostics Enable Medical Information Age; Improving Health Care Decisions. Presentation by AdvaMed to the House of Representatives, May 11, 2006. Available at: http://www.advamed.org/publicdocs/news_event_ald_act2006.shtml

S15
American Society of Clinical Pathologists. “Lab Facts.” Available at: http://www.ascp.org/general/labweek/guidefacts.asp. Accessed 3/1/02.

S16
Mayo Foundation for Medical Education (October 25, 2000). “Headline Watch: Colorectal Cancers and DNA Testing.” Available at: http://www.mayoclinic.com. Accessed 3/6/02.

S17
Mayo Foundation for Medical Education (January 23, 2001). “Pap Smear: Simple, Lifesaving Test.” Available at: http://www.mayoclinic.com. Accessed 3/6/02.