Comparative Study

Four-year incidence of sick leave because of neck and shoulder pain and its association with work and lifestyle.

Spine. 2009 Feb 15;34(4):413-8.
Article

Prognostic factors for duration of sickness absence due to musculoskeletal disorders.

Clin J Pain. 2006 Feb 1; 22 (2): 212-21.
Comparative Study

International variation in absence from work attributed to musculoskeletal illness: findings from the CUPID study.

Occup Environ Med. 2013 Aug 1; 70 (8): 575-84.