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2. The biology of fracture healing in long bones;McKibbin;J Bone Jt Surg,1977
3. Das Gesetz Der Transformation Der Knochen;Wolff,1892
4. The charge distribution on the human femur due to load;McElhaney;J Bone Jt Surg,1967
5. Biological significance of piezoelectricity;Bassett;Calc Tiss Res,1968