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Netherlands
Slovakia
Questionnaires
Employment
Activities of Daily Living
Absenteeism
Sick Leave
Health Status
Cross-Sectional Studies
Prospective Studies
Time Factors
Quality of Life
Health Status Indicators
Sex Factors
Socioeconomic Factors
Workload
Reproducibility of Results
Disability Evaluation
Work Capacity Evaluation
Low Back Pain
Co-Publications
45
36
35
28
26
23
21
20
17
15
14
13
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