Absenteeism of shift and day workers. A study of six types of shift system in 29 organizations.
D000041:Absenteeism; D002318:Cardiovascular Diseases / Q000453:epidemiology; D006801:Humans; D007348:Insurance, Health; D008297:Male; D009787:Occupational Medicine; D010437:Peptic Ulcer / Q000453:epidemiology; D013997:Time Factors