AUTHOR=Weindl Daniel , Wegner Andre , Hiller Karsten TITLE=Metabolome-Wide Analysis of Stable Isotope Labeling—Is It Worth the Effort? JOURNAL=Frontiers in Physiology VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2015.00344 DOI=10.3389/fphys.2015.00344 ISSN=1664-042X