[Assessing the difficulty of work operations on the basis of pulse rate and the period of its normalization].
D006801:Humans; D008297:Male; D009787:Occupational Medicine; D005082:Physical Exertion; D011674:Pulse; D014937:Work
Ob otsenke tiazhesti trudovykh operatsiĭ po dannym chastoty pul'sa v periode vosstanovleniia.