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Dislocations are common defects in solids, yet all crystals begin as dislocation-free nuclei. The mechanisms by which… Expand A complete set of closed analytical expressions is presented in a unified manner for the internal displacements and strains due… Expand Abstract A complete suite of closed analytical expressions is presented for the surface displacements, strains, and tilts due to… Expand Integropartial differential equations of the linear theory of nonlocal elasticity are reduced to singular partial differential… Expand During the ten-year period ending in 1978, 10,500 conventional total hip arthroplasties were performed at the Mayo Clinic… Expand Surface microscopy using vacuum tunneling is demonstrated for the first time. Topographic pictures of surfaces on an atomic scale… Expand In a series of 300 total hip replacements, nine (3 per cent) dislocated. Precise measurements of the orientation of the… Expand Over 1000 patients with traumatic paraplegia or tetraplegia and many more with fractures and dislocations of the spine without… Expand An end-result analysis is presented of thirty-nine mold arthroplasties performed at the Massachusetts General Hospital between… Expand