<<Disclaimer: Verify this information before applying it to your situation.>> Thanks for the info everyone! The overwhelming response was to go to Dr. Fine's web site and order the stool test. Other ideas were: to try the diet for 1 month (I know he never will do this unless the tests say he should) to get the blood tests done. try the Univ. of Maryland test www.enterolab.com www.finerhealth.com Theresa