title: [Evaluation of mental fatigue in telegraph operators working with Liman code equipment].
mesh_terms: D003142:Communication; D004781:Environmental Exposure; D005069:Evaluation Studies as Topic; D006358:Hot Temperature; D006801:Humans; D006813:Humidity; D005222:Mental Fatigue; D009622:Noise; D009787:Occupational Medicine
vernacular_title: K otsenke umstvennogo utomleniia telegrafistov-operatorov, rabotaiushchikh na apparature kodovoĭ kommutatsii sistemy Liman.