http://www.ibsgroup.org/ information from an IBS support group

http://digestive.niddk.nih.gov/ddiseases/pubs/ibs/ information from the National Digestive Disease Information Clearinghouse     

http://digestive.niddk.nih.gov/ddiseases/pubs/lactoseintolerance/ information from the National Digestive Disease Information Clearinghouse

http://www.foodintol.com/eatingdairyfree.asp information from foodintol.com

http://www.celiac.org/ information from the Celiac Disease Foundation

http://www.csaceliacs.org/ information from the Celiac Sprue Association

http://www.ccfa.org/ information from the Crohn's and Colitis Foundation of America

http://digestive.niddk.nih.gov/ddiseases/pubs/crohns/ information from the National Digestive Diseases Information Clearinghouse

http://www.ccfa.org/ information from the Crohn's and Colitis Foundation of America

http://digestive.niddk.nih.gov/ddiseases/pubs/colitis/ information from the National Digestive Diseases Information Clearinghouse

http://www.vh.org/adult/patient/internalmedicine/constipation/index.html information from Virtual Hospital which is run by the University of Iowa

http://digestive.niddk.nih.gov/ddiseases/pubs/constipation/ information from the National Digestive Diseases Information Clearinghouse

http://digestive.niddk.nih.gov/ddiseases/pubs/hemorrhoids/index.htm information from the National Digestive Diseases Information Clearinghouse

http://digestive.niddk.nih.gov/ddiseases/pubs/diverticulosis/ information from the National Digestive Diseases Information Clearinghouse

http://healthlink.mcw.edu/article/930605239.html information from the Medical College of Wisconsin

http://digestive.niddk.nih.gov/ddiseases/pubs/bleeding/ information from the National Digestive Diseases Information Clearinghouse

http://www.anisman.com/ecg/index.asp?mainpage=gi_bleed.htm information from the Emergency Clinical Guide

http://www.uoa.org/ information from the United Ostomy Association

http://www.ostomyinternational.org/ information fromt the International Ostomy Association

http://www.mayoclinic.com/invoke.cfm?objectid=F909CDF2-59D8-4D4C-B9997DCE90855957 information from the Mayo Clinc

http://www.nlm.nih.gov/medlineplus/appendicitis.html information from MedlinePlus

http://digestive.niddk.nih.gov/ddiseases/pubs/collagenouscolitis/ information from the National Digestive Diseases Information Clearinghouse

http://www.merck.com/mmhe/sec09/ch126/ch126d.html information from Merck, a pharmaceutical company

http://www.globalsolvation.com/Incontinence/ Fecal Incontinence Help Page

http://familydoctor.org/067.xml information from familydoctor.org through the American Academy of Family Physicians

http://www.cancer.org/docroot/cri/cri_2x.asp?sitearea=lrn&dt=10 information from the American Cancer Society

http://www.medicinenet.com/colon_cancer/article.htm information from Medicinenet.com

http://www.medicinenet.com/colon_cancer/article.htm information from the National Cancer Institute and the National Institutes of Health (NIH)

http://www.upmccancercenters.com/pdq_xml/cancer.cfm?ID=114 information from the University of Pittsburgh Medical Center

http://www.geneclinics.org/profiles/fap/ information from Gene Tests funded by the National Institutes of Health

http://www.emedicine.com/med/topic769.htm information from emedicine.com