Balen, Romke Van, Ewout W Steyerberg, Herman J M Cools, Johan J Polder, and J Dik F Habbema. 2002. “Early Discharge of Hip Fracture Patients from Hospital: Transfer of Costs from Hospital to Nursing Home”. Acta Orthopaedica 73 (5):491-501. https://doi.org/10.1080/000164702321022749.