title: Technical contribution. Tungsten ball microelectrode for extracellular single-unit recording.
mesh_terms: D000200:Action Potentials; D000818:Animals; D004572:Electrolysis; D008839:Microelectrodes; D009482:Neurophysiology / Q000295:instrumentation*; D009573:Nitrites; D011188:Potassium; D013594:Syringes; D014414:Tungsten
chemical_list: D009573:Nitrites; D011188:Potassium; D014414:Tungsten