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Immortal Time Bias: A Likely Alternate Explanation for the Purported Benefits of DXA Screening in Ulcerative Colitis

Targownik, Laura E MD, MSHS1

American Journal of Gastroenterology: October 2014 - Volume 109 - Issue 10 - p 1689
doi: 10.1038/ajg.2014.234
Letter to the Editor

1 Department of Gastroenterology, University of Manitoba, Winnipeg, Manitoba, Canada

Correspondence: Laura E. Targownik, MD, MSHS, Department of Gastroenterology, University of Manitoba, 804E-715 McDermot Avenue, Winnipeg, Manitoba, Canada R3E 3P4. E-mail:

© The American College of Gastroenterology 2014. All Rights Reserved.
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