[Studies on the shift work of guards. Part 1. Problems in programming the shift work (author's transl)].
D000041:Absenteeism; D000328:Adult; D000367:Age Factors; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology; D009787:Occupational Medicine; D013997:Time Factors; D014937:Work