Thomas, Clayton L., Editor (1997). Taber's Cyclopedic Medical Dictionary. F.A. Davis Company, Philadelphia, PA [18th Edition].
Pagana, Kathleen D. & Pagana, Timothy J. (2001). Mosby's Diagnostic and Laboratory Test Reference 5th Edition: Mosby, Inc., Saint Louis, MO.
NIDDK (July 1997). Cystic Fibrosis Research Directions. The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) [NIH Publication No. 97-4200]. Available online at http://www.niddk.nih.gov/health/endo/pubs/cystic/cystic.htm.
CFF. Sweat Testing Procedure and Commonly Asked Questions. Cystic Fibrosis Foundation [On-line information]. Available online at http://www.cff.org/publications01.htm.
Tait, J., et. al. (26 March 2001). Cystic Fibrosis. GENEReviews [On-line information]. Available online at http://www.genetests.org/.
Mayo Clinic (2001, February 09). What is Cystic Fibrosis? Mayo Clinic [On-line information]. Available online at http://www.mayoclinic.com/invoke.cfm?objectid=2CEBF76F-D36A-4D15-B937BFF91AB51438.
MedlinePlus (2002, January 2, Updated). Cystic Fibrosis. MedlinePlus Health Information [On-line Information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/000107.htm.
MedlinePlus (2002, January 2, Updated). Sweat Electrolytes. MedlinePlus Health Information [On-line Information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003630.htm.
MedlinePlus (2002, January 2, Updated). Trypsin and chymotrypsin in stool. MedlinePlus Health Information [On-line Information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003594.htm.
Mountain States Genetics (1999, September, Revised). Cystic Fibrosis (CF). Newborn Screening Practitioner’s Manual [On-line information]. Available online at http://www.mostgene.org/pract/prac26.htm.
National Institutes of Health (1995, November). Facts About Cystic Fibrosis. National Heart, Lung, and Blood Institute NIH Publication No. 95-3650 [On-line information]. Available online at http://www.nhlbi.nih.gov/health/public/lung/other/cf.htm.
Quest Diagnostics NEWS (2002, Winter). What is the Best Test to Screen for Cystic Fibrosis? [On-line serial]. PDF available for download at http://www.questdiagnostics.com/hcp/files/02winter_newsletter.pdf.
NIH (2002, January 2, Updated). Neonatal cystic fibrosis screening. MedlinePlus Health Information [On-line Information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003409.htm.
Drkoop (2001). Cystic fibrosis. Medical Encyclopedia [On-line information]. Available online at http://www.drkoop.com/conditions/ency/article/000107.htm.
NIH (2002, January 2, Updated). Trypsinogen. MedlinePlus Health Information [On-line Information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003560.htm.
Biomedical Hypertext (1999 May 20, last update). Exocrine Secretions of the Pancreas. Colorado State University [On-line information]. Available online at http://arbl.cvmbs.colostate.edu/hbooks/pathphys/digestion/pancreas/exocrine.html.
UPCMD (1998 – 2002). Cystic Fibrosis. University Pathology Consortium, LLC [On-line information]. Available online at http://www.upcmd.com/dot/examples/00218/description.html.
Sainato, D., (2002, March). Genetic Testing for CF Going Mainstream? Clinical Laboratory News [Journal], Vol 28.
Peter Jacky, PhD, FACMG. Director of Cytogenetics and Molecular Genetics, Airport Way Regional Laboratory, Portland, OR.
(Update October 15, 2007) Greco, F. MedlinePlus Medical Encyclopedia. Trypsinogen. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003560.htm. Accessed January 2009.
Tietz Textbook of Clinical Chemistry and Molecular Diagnostics. Burtis CA, Ashwood ER, Bruns DE, eds. St. Louis: Elsevier Saunders; 2006. P. 622.
Cystic Fibrosis Foundation. Testing for Cystic Fibrosis. Available online at http://www.cff.org/AboutCF/Testing/. Accessed December 2008.
Cleveland Clinic. Cystic Fibrosis. Available online at http://my.clevelandclinic.org/disorders/cystic_fibrosis/hic_cystic_fibrosis.aspx#. Accessed December 2008.
State of Missouri Department of Health and Senior Services. Cystic Fibrosis. Available online at http://www.dhss.mo.gov/Lab/Newborn/CysticFibrosis.html. Accessed January 2009.
Denise I. Quigley, PhD, FACMG. Co-Director Cytogenetics/Molecular Genetics, Airport Way Regional Laboratory, Portland, OR.
Peter Jacky, PhD, FACMG. Director of Cytogenetics and Molecular Genetics, Airport Way Regional Laboratory, Portland, OR.
Kaneshiro, N. (Updated 2012 May 16).Neonatal cystic fibrosis screening. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003409.htm. Accessed September 2012.
Grenache, D. et. al. (Updated 2012 April) Cystic Fibrosis – CF. ARUP Consult [On-line information]. Available online at http://www.arupconsult.com/Topics/CF.html?client_ID=LTD#tabs=0. Accessed September 2012.
Dugdale, D. (Updated 2011 February 4). Trypsinogen test. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003560.htm. Accessed September 2012.
Bender, L. et. al. (2011 September 29). Kids in America Newborn Screening for Cystic Fibrosis. Medscape Today News from Lab Med v42 (10):595-601 [On-line information]. Available online at http://www.medscape.com/viewarticle/750133. Accessed September 2012.
Sharma, G. (2012 May 15). Cystic Fibrosis. Medscape Reference [On-line information]. Available online at http://emedicine.medscape.com/article/1001602-overview. Accessed August 2012.
Kaneshiro, N. (2012 May 16). Cystic fibrosis. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/000107.htm. Accessed August 2012.
Timothy S. Uphoff, Ph.D., D(ABMG), MLS(ASCP)CM. Section Head Molecular Pathology Laboratory, Marshfield Labs, Marshfield Clinic, Marshfield WI.
Lal, S. (2015 February 4 Updated). Trypsinogen test. MedlinePlus Medical Encyclopedia. Available online at https://medlineplus.gov/ency/article/003560.htm. Accessed on 9/05/16.
(© 2016). Diagnosing and Treating Cystic Fibrosis. American Lung Association. Available online at http://www.lung.org/lung-health-and-diseases/lung-disease-lookup/cystic-fibrosis/diagnosing-and-treating-cf.html. Accessed on 9/05/16.
Sharma, G. (2016 June 08 Updated). Cystic Fibrosis. Medscape Drugs and Diseases. Available online at http://emedicine.medscape.com/article/1001602-overview. Accessed on 9/05/16.
Newborn Screening for CF. Cystic Fibrosis Foundation. Available online at https://www.cff.org/What-is-CF/Testing/Newborn-Screening-for-CF/. Accessed on 9/05/16.
Earley, M. (2013). New Guidelines for Cystic Fibrosis Newborn Screening Laboratory Tests. CLSI Presentation. Available online at http://community.clsi.org/NBS/wp-content/uploads/sites/9/2013/07/CF-Presentation-012620121.pdf. Accessed on 9/05/16.
Rosenstein, B. (2016 January Revised). Cystic Fibrosis. Merck Manual for Professionals Available online at http://www.merckmanuals.com/professional/pediatrics/cystic-fibrosis-cf/cystic-fibrosis. Accessed on 9/05/16.
(©2016) Mayo Medical Laboratories. Trypsin-like Immunoreactivity. Available online at http://www.mayomedicallaboratories.com/test-catalog/Overview/57318. Accessed November 2016.