Müller, U., Röder, C., Pisan, M., Orler, R., El-Kerdi, A., & Eggli, S. (2004). Autologous blood donation in total knee arthroplasties is not necessary. Acta Orthopaedica, 75(1), 66–70. https://doi.org/10.1080/00016470410001708130