Magnusson, K., J. Helgeland, M. Grøsland, and K. Telle. “Impact of the COVID-19 Pandemic on Emergency and Elective Hip Surgeries in Norway”. Acta Orthopaedica, vol. 92, no. 4, Mar. 2021, pp. 376-80, doi:10.1080/17453674.2021.1898782.