title: Use of nuclear and isotopic techniques for addressing nutritional problems. Introduction.
mesh_terms: D004734:Energy Metabolism; D006801:Humans; D007553:Isotope Labeling / Q000379:methods*; D007554:Isotopes; D009748:Nutrition Disorders / Q000175:diagnosis*; D011849:Radioactive Tracers; D012106:Research
chemical_list: D007554:Isotopes; D011849:Radioactive Tracers