@article{kay_roe_stikeleather_mahmoud_abrams_1998, title={Axial vibration of threaded external fixation pins: Detection of pin loosening}, volume={26}, DOI={10.1114/1.92}, number={3}, journal={Annals of Biomedical Engineering}, author={Kay, M. W. and Roe, S. C. and Stikeleather, L. F. and Mahmoud, A. and Abrams, C. F.}, year={1998}, pages={361–368}}