title: Omnitrode: a simple cannula for chemical and bipolar electrical stimulation.
mesh_terms: D000818:Animals; D001921:Brain; D004558:Electric Stimulation / Q000295:instrumentation*; D007267:Injections / Q000295:instrumentation*; D008722:Methods; D008839:Microelectrodes; D009339:Needles; D011603:Psychophysiology / Q000295:instrumentation