Dalén, Tore, Lars-Ake Broström, and K Gunnar Engstrom. 1995. “Cell Quality of Salvaged Blood After Total Knee arthroplasty:Drain Blood Compared to Venous Blood in 32 Patients”. Acta Orthopaedica 66 (4):329-33. https://doi.org/10.3109/17453679508995555.