Key term: risk factor

Original article 1997;23(4):271-280   pdf
Chronic bronchitis in farmers
Melbostad E, Wijnand E, Magnus P
 
Review 1995;21(1):3-14   pdf
Occupational back pain -- an unhelpful polemic
Frank JW, Pulcins IR, Kerr MS, Shannon HS, Stansfeld SA
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