aufsatzsammlung biocompatiblematerials biomateriais biomecanica biomechanicalphenomena biomechanics biomechanik biomedicalmaterials boneandbones bones congresses effectofimplantson implantedeossoorganico knochen knochenersatz materials materialstesting mechanicalproperties mechanicalstress methods orthopedics orthopedicsurgery ossoeossos physiology prosthesesandimplants prosthesis proteseseimplantes surfaceproperties surplusgovernmentproperty tensilestrength testing we172n2795m1984