title: The significance of the NH3-NH+(4) equilibrium on the passage of 13N-ammonia from blood to brain. A new regional residue detection model.
mesh_terms: D000641:Ammonia / Q000378:metabolism*; D000818:Animals; D001692:Biological Transport; D001812:Blood-Brain Barrier; D002199:Capillary Permeability; D002560:Cerebrovascular Circulation; D006863:Hydrogen-Ion Concentration; D008253:Macaca mulatta; D008433:Mathematics; D008954:Models, Biological; D009590:Nitrogen Radioisotopes; D009997:Osmotic Pressure
chemical_list: D009590:Nitrogen Radioisotopes; D000641:Ammonia