Mäkelä, K. T., Matilainen, M., Pulkkinen, P., Fenstad, A. M., Havelin, L. I., Engesaeter, L., Furnes, O., Overgaard, S., Pedersen, A. B., Kärrholm, J., Malchau, H., Garellick, G., Ranstam, J., & Eskelinen, A. (2014). Countrywise results of total hip replacement. Acta Orthopaedica, 85(2), 107–116. https://doi.org/10.3109/17453674.2014.893498