%0 Journal Article %T Apparatus to test insertion and removal torque of bone screws %A Koistinen, A %A Santavirta, S %A Lappalainen, R %J Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine %V 217 %N 6 %P 503-508 %@ 0954-4119 %D 2003-06-01 %I SAGE Publications %~ DeepDyve