title: Could traditional mass-balance studies in the 'twilight zone' be improved by means of accelerator MS measurements?
authors.forename: Leif D
authors.initials: LD
authors.lastname: Svensson
mesh_terms: D000818:Animals; D002250:Carbon Radioisotopes / Q000032:analysis* / Q000493:pharmacokinetics; D005069:Evaluation Studies as Topic; D006801:Humans; D013058:Mass Spectrometry / Q000379:methods*; D010599:Pharmacokinetics
chemical_list: D002250:Carbon Radioisotopes