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Zirkzee, Elisabeth J. M., Arina C. Sneep, Petronella D. M. de Buck, Cornelia F. Allaart, Andreas J. Peeters, H. Karel Ronday, Marie Louise Westedt, Saskia le Cessie, and Theodora P. M. Vliet Vlieland. Sick Leave and Work Disability in Patients With Early Arthritis. Springer-Verlag, 2007.

Zirkzee, Elisabeth J. M., et al. Sick Leave and Work Disability in Patients With Early Arthritis. Springer-Verlag, 2007.