title: A double-barrelled Pt-microelectrode for simultaneous measurement of PO2 and bioelectrical activity in excitable tissues.
mesh_terms: D000818:Animals; D001516:Bees; D001921:Brain / Q000502:physiology; D004594:Electrophysiology / Q000295:instrumentation*; D008839:Microelectrodes; D010100:Oxygen / Q000502:physiology*; D051381:Rats; D012160:Retina / Q000502:physiology
chemical_list: D010100:Oxygen