Freund, Sarah Stammose, et al. “Elevated Cobalt Levels in Metal-on-Polyethylene Knee Megaprostheses: A Prospective 1-Year Cohort Study of 56 Patients With Hip and Knee Megaprostheses”. Acta Orthopaedica, vol. 95, Apr. 2024, pp. 174-9, doi:10.2340/17453674.2024.40502.