[Vacillatious in health and performance among pieceworkers; preliminary report].
D006801:Humans; D007221:Industry; D009784:Occupational Diseases; D016272:Occupational Health; D009790:Occupations; D014937:Work
INDUSTRIAL HYGIENE; INDUSTRY AND OCCUPATIONS; WORK
Uber Befindens- und Leistungsschwankungen bei Akkordarbeitern; Vorläufige Mitteilung.