title: K + -activity determinations in cat cortex.
mesh_terms: D000200:Action Potentials; D000818:Animals; D002415:Cats; D002540:Cerebral Cortex / Q000502:physiology*; D007474:Ion Exchange; D008839:Microelectrodes; D011188:Potassium / Q000502:physiology*
chemical_list: D011188:Potassium