<P>My daughter had her npd test today and was unable to finish it. She flipped out! They were only able to get thru the first stage of the test which is the base line. Her base line was -30. The CF specialist said this is the high end of normal so wants to do another test. She is having part of her colon removed due to chronic constipation so the cf doc wants to get a tissue sample of her colon and test it for cftr function. Has anyone heard of this? He said they just got approved for it. I know they are doing a lot of research at this hosp.</P>
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