title: Quantification of isotope fractionation in experiments with deuterium-labeled substrate.
mesh_terms: D001673:Biodegradation, Environmental; D003903:Deuterium / Q000032:analysis*; D007553:Isotope Labeling; D008956:Models, Chemical; D014050:Toluene / Q000378:metabolism*
chemical_list: D014050:Toluene; D003903:Deuterium