Prognostic factors for work ability in sicklisted employees with chronic diseases
Frans G Slebus, P Paul F M Kuijer, J (Han) H B M Willems, Judith K Sluiter, Monique H W Frings-Dresen
Occupational and Environmental Medicine Dec 2007, 64 (12) 814-819; DOI: 10.1136/oem.2006.031807