Considerations for procurement of an ERA-system.
D000669:Amplifiers, Electronic; D001299:Audiometry / Q000191:economics / Q000295:instrumentation / Q000639:trends; D001300:Audiometry, Evoked Response / Q000191:economics / Q000295:instrumentation / Q000639:trends; D003201:Computers; D006268:Health Facilities; D009462:Neurology; D010036:Otolaryngology