FULLY AUTOMATED APPARATUS AND INSTRUMENTS, NAMELY, ANALYSER, ELECTRONICALLY CONTROLLED INJECTOR, DIGITAL VOLTAGE CLAMP AMPLIFIER AND RECORDER FOR THE ELECTROPHYSIOLOGICAL INVESTIGATION OF ION CHANNELS FOR USE IN AUTOMATED DRUG SCREENING; APPARATUS AND INSTRUMENTS, NAMELY, ANALYSER, ELECTRONICALLY CONTROLLED INJECTOR, DIGITAL VOLTAGE CLAMP AMPLIFIER AND RECORDER FOR AUTOMATED DRUG SCREENING USING ELECTROPHYSIOLOGICAL METHODS; APPARATUS AND INSTRUMENTS, NAMELY, ANALYSER, ELECTRONICALLY CONTROLL...