SEARCH Articles Figures Tables And isotope effects And isotopic effects And isotopic labeling And isotopic labelling Isotope isotopic labeling Isotope kinetic Isotope label Isotope-labelled Isotopic Labeling and Kinetic Isotope Effects Isotopic kinetic Isotopic labeling Isotopic labelled Isotopic labelling Isotopic labels Isotopical labeling Kinetic isotope effects Kinetics isotope effect Label effect Labelling kinetics