title: Liquid Biopsies Track DNA Changes in Tumors.
mesh_terms: D014408:Biomarkers, Tumor / Q000097:blood / Q000235:genetics*; D006801:Humans; D025202:Molecular Diagnostic Techniques; D009369:Neoplasms / Q000097:blood / Q000175:diagnosis / Q000235:genetics*
chemical_list: D014408:Biomarkers, Tumor