Pitfalls in Diagnostic Radiology - Page 336 - Google Books Result
https://books.google.co.uk/books?isbn=3662441691
Wilfred C. G. Peh - 2014 - ‎Medical
13.4.2 Bowel-Related Artifact Technetium-based radiotracers rely on blood flow to distribute into the myocardium. However, the general radiopharmaceuticals ...

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Note added at 8 mins (2016-08-25 09:36:19 GMT)
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02/07 Diagnostic Imaging Europe: MRI rivals traditional small bowel ...
www.diagnosticimaging.com/dimag/legacy/db_area/.../0207.gas...
by P Prassopoulos - ‎2002 - ‎Related articles
So-called black boundary artifacts at the interface of the bowel wall and ... such as 1 mg of glucagon, to reduce inherent small bowel motion and related artifacts; ...