Elawad, A. A. R., Öhlin, A.-K., Berntorp, E., Nilsson, I. M., & Fredin, H. (1992). Autologous blood transfusion in revision hip arthroplasty. Acta Orthopaedica, 63(4), 373–376. https://doi.org/10.3109/17453679209154747