From: Barry Marshall <bmarshall@trimed.com> Sorry Bruce, I don't have info on fatty acids. By the way, Tri-Med has been given safety clearance by the FDA for its 1 uCi C14-urea breath test. AAP had an article on the test which I have posted on the Tri-Med page. (www.trimed.com) >note: that would be http://www.trimed.com -Bruce