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Vickie Braithwaite, Kerry S Jones, Shima Assar, Inez Schoenmakers, and Ann Prentice

status and intestinal integrity Two-day weighed dietary assessment was conducted using Gambian food composition tables (26) in the same way as described previously (13) . H. pylori infection was determined using a non-invasive stable isotope urea

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Paal Methlie, Steinar Hustad, Ralf Kellman, Bjørg Almås, Martina M Erichsen, Eystein S Husebye, and Kristian Løvås

, Analytical Technologies in the Biomedical and Life Sciences 883–884 2012 50 – 58 . ( doi:10.1016/j.jchromb.2011.08.027 ). 27 Wang S Cyronak M Yang E . Does a stable isotopically labeled internal standard always correct analyte response? A matrix effect

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Magdalene K Montgomery and Nigel Turner

highly complex and there is still much to learn in this area. Some potential approaches for closing these gaps in knowledge in future studies include developing methods (e.g. with stable isotope tracers) to assess dynamic changes in mitochondrial function

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Arno Téblick, Lies Langouche, and Greet Van den Berghe

-ACTH-driven mechanisms. By using stable isotopes, elevated cortisol levels could indeed be attributed to suppressed cortisol metabolism, and, only in patients suffering from hyperinflammation, to a moderately increased cortisol production ( 47 ). The attenuated cortisol