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Hulme, PA; Heini, PF; Persson, T; Spengler, H; Björklund, K; Hermansson, L; Ferguson, SJ (2006). Mechanical evaluation of a bioactive calcium aluminate cement for vertebral body augmentation.
Diem, P; Spengler, H; de Weck, AL (1982). Lymphocyte transformation by insulin and insulin-zinc suspensions. Clinical and experimental immunology, 50(1), pp. 155-62. Oxford: Blackwell Scientific Publications
