5Sehat KR, Evans RL, Newman JH. Hidden blood loss following hip and knee arthroplasty. Correct management of blood loss should take hidden loss into account. J Bone Joint Surg (Br), 2004, 86(4): 561-565.
6Sinclair KC, Clarke HD, Noble BN. Blood management in total knee arthroplasty: a comparison of techniques. Orthopedics, 2009, 32(1): 19.
7Foss NB, Kehlet H. Hidden blood loss after surgery for hip fracture. J Bone Joint Surg (Br), 2006, 88(8): 1053-1059.
8Li G, Patil CG, Lad SP, et al. Effects of age and comorbidities on complication rates and adverse outcomes after lumbar laminectomy in elderly patients. Spine, 2008, 33 ( 11 ): 1250 - 1255.
9Martinez V, Monsaingeon-Lion A, Cherif K, et al. Transfusion strategy for primary knee and hip arthroplasty: impact of an algorithm to lower transfusion rates and hospital costs. Br J Anaesth, 2007, 99(6): 794-800.
10Rahman M, Summers LE, Richter B, et al. Comparison of techniques for decompressive lumbar laminectomy: the minimally invasive versus the "classic" open approach. Minim Invasive Neurosurg, 2008, 51 (2): 100-115.