[Electrometric direct current amplifier for the investigation of intracellular potentials with the aid of microelectrodes].
D000669:Amplifiers, Electronic; D004560:Electricity; D055724:Electrophysiological Phenomena; D004594:Electrophysiology / Q000600:supply & distribution*; D004864:Equipment and Supplies; D008839:Microelectrodes
ELECTROPHYSIOLOGY/equipment and supplies