Uptake of  13 N-labeled ammonia.
D000641:Ammonia / Q000378:metabolism*; D000643:Ammonium Chloride; D000818:Animals; D004285:Dogs; D006207:Half-Life; D007668:Kidney / Q000378:metabolism; D007677:Kidney Function Tests; D008099:Liver / Q000378:metabolism; D008657:Metabolic Clearance Rate; D009206:Myocardium / Q000378:metabolism; D009587:Nitrogen Isotopes; D011877:Radionuclide Imaging; D013964:Thyroid Neoplasms / Q000175:diagnosis
D009587:Nitrogen Isotopes; D000643:Ammonium Chloride; D000641:Ammonia