[Certification of illness and work morale].
D003365:Costs and Cost Analysis; D004185:Disability Evaluation; D004526:Efficiency; D005006:Ethnicity; D005260:Female; D005860:Germany, West; D006801:Humans; D008297:Male; D008306:Malingering; D009013:Morale
Krankschreibung und Arbeitsmoral.