title: Hippocampal excitability and changes in extracellular potassium.
mesh_terms: D000818:Animals; D005071:Evoked Potentials; D005110:Extracellular Space / Q000378:metabolism; D006168:Guinea Pigs; D006624:Hippocampus / Q000378:metabolism / Q000502:physiology*; D066298:In Vitro Techniques; D011188:Potassium / Q000378:metabolism / Q000502:physiology*
chemical_list: D011188:Potassium