Nuclear magnetic resonance.
D000818:Animals; D001927:Brain Diseases / Q000175:diagnosis; D002247:Carbon Isotopes; D006801:Humans; D009682:Magnetic Resonance Spectroscopy / Q000379:methods / Q000639:trends*; D008660:Metabolism; D010758:Phosphorus
D002247:Carbon Isotopes; D010758:Phosphorus