[Heart rate determination in hard labor workers during the entire work shift].
D006339:Heart Rate / Q000295:instrumentation; D006801:Humans; D008297:Male; D008669:Metallurgy; D009787:Occupational Medicine; D009790:Occupations; D005082:Physical Exertion; D013997:Time Factors; D014937:Work
Herzfrequenzmessungen bei Schwerarbeitern während ganzer Arbeitsschichten.